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You are 13 weeks pregnant.

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Born & Birth stories

This is the last week of your first trimester and your baby weighs 14 to 20 grams. The crown-to-rump length of your growing baby is 2.6 to 3.1 inches. Your baby is now about the size of a peach. Fetal growth is amazing from now through about the 24th week of pregnancy.

A 13 week old fetus by SONOReal 3D ultrasound imaging

At this point of your pregnancy, there is a steady flow of pregnancy hormones in your bloodstream. Your body will adjust to the changes and morning sickness might stop and other early symptoms will begin to ease. Because the second trimester is approaching, feelings of anxiety or nervousness may also diminish. You have probably gained some weight by now. You are losing your waist and your clothing is probably fitting snugly.

There is a milky membrane that surrounds your baby. It is pierced by the umbilical cord and is made up of two layers, which are fused together. Your placenta provides most of the nutrients and oxygen that your baby needs. By this week, the placenta is well formed and ready to take over hormone manufacture from your ovaries. The placenta will produce progesterone and estriol. These hormones will be crucial in the maintenance of your pregnancy. Tissue that will form your baby's bones is being laid down, especially around the head and limbs. The nose and chin are becoming more prominent. Your baby's eyelids meet and fuse together and they will not open again for nearly four months. The eyes started out on the side of your baby's head and they are now moving closer together on the face. The ears come to lie in their normal position on the sides of the head. If examined outside of the womb, you will be able to distinguish male from female at this time.

The sockets for all twenty teeth are formed in the gums, and vocal cords are beginning to form.

Comments on week 13

Comments 1-49 of about 732 from week 13
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beckym - 9 hours ago
Stuck taking chewable prenatal and calcium chews, morning sickness nausea feeling is gone, until I do swallow those vitamins, then sick all day. I was trying the Enfamil two part ones, is anyone else taking those and feeling ok? To compensate for the lack of iron in the chewables, I am taking a giant spoon full of black strap molasses every day which has 25% of the daily recommended iron and even has potassium, it was at a local health food store for 2.95 in a giant jar. My nutritionist is happy I am taking that extra step to keep my iron up, I love that they have nutritionists at prenatal check ups now, I wish they had this 10ish years ago when I was pregnant with my first, I gained like 85 lbs with him, it was insane. But lost a lot of it in the following year, then gained it all back with my second then lost about 2/3, then gained it back with my third, see the pattern. Being at 3 months and a week and already at 190, I'm kinda freak in out, the nutritionist wants me to only gain 18 more pounds this pregnancy. Her and I both sisters. My top pregnancy weight was 217, starting at 135. This time I started at 180, but I lost a baby in April of last year and didn't have enough time to go back down I weight, I was sort of mentally in a dark place, afraid of my shadow, hermit, hiding from the world, you know, dealing in my own way, but when I found out I was pregnant, hope was shining through my closed windows and sort of helped lighten my soul, I was still scared to death, that it would all happen again, I even threw the pregnancy test at my husband to tell him which was a new technique, but when I first found out I was pregnant, in the back of my head next to that seed of hope, was that lurking shadow feeding me ideas that I can no longer carry a heathy baby, that it will happen every time, so I relived the day I lost our baby a lot, but tried to feed and water the hope so that it would force the shadows back to the darkness from where they came. The 12 week doppler coming up with no heartbeat was a Deja vu moment but then getting that ultrasound and seeing that beautiful thriving baby moving with that strong heartbeat allowed happiness to wash over me, and allowed that seed of hope to grow like a bean stalk on steroids. I am further pregnant than I was before, now in the second trimester, and really feel like we are going to have this baby. I am thrilled and a little scared to be a new mommy again, doing another mommy circuit, my youngest is going to be 4 before the baby is here. We are trying to figure out if we want to know the sex or not, we did with the others, and this will be our last one dh will be getting a vasectomy after this one and we will be throwing in the towel. Also we are doing a partial lotus birth, lotus birth is where they don't cut the umbilical cord and just let the placenta fall off naturally with the umbilical cord, but to have it attached for 7 days for me would be extreme, so I spoke with my obgyn, and we will keep it attached until the placenta is pushed out, then we will cut the cord. There are benefits to keeping it on a little longer, more blood volume to the baby, including some of those cord blood stem cells, all babies are born with slight jaundice levels, but with lotus it is either normal levels, or better than it would have been. Of course if there are any complications during labor with the baby we will skip this, but I thought it would be interesting this time around.

Free2Bmom - 18.3 hours ago
I had my non invasive prenatal testing taken today. Two weeks ish and I'll find out the gender and if we are to expect any issues in the future. Fingers crossed all is well!

delarla - 1 days ago
Just had our nuchal scan and all was good. Baby was super wiggly. The tech said she was leaning towards boy. We go for a gender u/s on saturday!

kirty - 12 days ago
Wooohoo 13 weeks :D

maimai88 - 23 days ago
soontobemommyof6- so glad your cerclage appointment went well and that you and baby are doing well!

maimai88 - 23 days ago
Praying that everything continues to go well for you and your baby, Ericalynn! Have you thought about maybe renting a fetal doppler? I rented one with each of my babies, including this one, and have been able to listen to the heartbeat in between appointments. Then once I start to feel baby move regularly, around 20 weeks or so, I return it.

soontobemommyof6 - 24 days ago
Had my cerclage placed today. Other than being tired from the anesthetic, baby and I are doing well!

charcharsuperstar - 24 days ago
xEricalynn.. I've been there and i am nervous, too. Sending prayers out for a happy, healthy baby.

xEricaLynn - 25 days ago
13 weeks today :-) I really hope that our baby is still alive. Will find out on the 16th with another ultrasound. Would love prayers, thanks!

maimai88 - 28 days ago
13 weeks today!

charcharsuperstar - 36 days ago
Shireet, i have a very long,crazy history. I had a son in 2008 with down syndrome , it was not the heredirary kind, just random. He lived two months and passed away at 2 months old. I have two healthy children but miscarried twice in the 2nd trimester last year. I'm also 40 :). I won't do any invasive tests, personally, like amnio or Chronic Villi sampling.. though i don't blame those who do. The panorama test is great for me bec it's just a blood test. I prefer to be prepared for what is going on for my baby. Though it doesn't make any difference to me if i bring the baby to term or not, no.

ShireeT - 37 days ago
I don't mean that to reflect badly on you by any means. :) This is my 5th. Still hiding the pregnancy from family and all but a couple close friends. It goes faster before people know, and 13 weeks has flown by.

ShireeT - 37 days ago
No, the risks of the test aren't worth it for me, being low risk already.

charcharsuperstar - 41 days ago
Has anyone had the Panorama genetic test done ? I just got my results back and all is well.. low risk for any birth defects and it's a boy ;)..

britniA - 41 days ago
got to hear the baby's heart beat it was an awesome 160. can't wait till march for the ultra sound so I can find out the sex EEEK! - 41 days ago
It just started recently so you should be feeling it soon. It's not strong kicks but more like a flutter and subtle movements. I mostly feel them when I'm laying down and my body is stretched out. I don't feel it every day but I've felt it a few times. Everything went well at my doc appt though. I got a ultrasoun and got to listen to the heart beat. I also got my referral for the big anatomy ultrasound but my doc said wait three weeks before doing that.

3redheads - 42 days ago
That's so exciting your feeling baby kicking I can't wait my favorite part of pregnancy my stomach jurks a lot but it's not the baby yet but your a few weeks ahead of me - 42 days ago
I went to bed early last night but then I ended up randomly waking up at 4:00am and I had a hard time going back to sleep. I felt the baby move a couple of times when I was laying there. He/she was pretty active for about 5 minutes. I can't wait to get another ultrasound. The first time I saw the baby it looked like a pea...then the second time I saw the baby he/she looked like a shrimp (I was 7 weeks). You're lucky you get a to get a free ultrasound. I'm seeing a new doctor today so hopefully I get a referral to have the mid pregnancy sonogram. It's usually a 3 week wait to get an appt for one.

3redheads - 42 days ago
That annoying the first time I commented it showed my username the next time it showed my email oh well I've been trying to exercise through out the day makes me beyond tired went to bed at 8:45 last night it feels so good to sleep I love not feeling guilty for taking a nap everyday :) - 43 days ago
My sisterin law sister used to own her own business and she performed ultrasounds and she still has all of her equipment so she said she will do a free ultrasound for me when I go over to Oregon next month I'm so excited can't wait I just hope everything is OK in there

flybear - 43 days ago
I'm 14 weeks tomorrow. My next appointment is the 30th. I'm ready. Luckily I haven't ever dealt with bad heartburn with any of mine. Knock on wood. Lol - 43 days ago
I'm 15 weeks as of today. I have a doc appt tomorrow and I can't wait to hear the baby's heartbeat again. - 43 days ago
3redheads, me and Flybear are expecting our 4th child as well. I had heartburn in the very beginning but it went away. Now I'm symtomless beside the occassional kick I feel. As far as not fitting into clothes, I can definitely relate to that. I can't button any of my jeans....I either use the rubber band trick to hold them together or I just fold the flaps in and let my shirts hide it. I determined that I'm going to just wear my pants like that during the remainder of the season since most of my tops are long anyway. When the weather starts to change I'm going buy sundresses since I find those to be the most comfortable during pregnancy. Totally random, but now that I think of it, I've never been 8-9 months pregnant during warm months (my kids were born in Nov, Dec, and Jan).

3redheads - 43 days ago
This is our 4th and the earliest my heart burn has ever started usually it doesn't kick in until about 6 or 7 months which its not all the time just once in awhile I woke up Sunday night with it and it made me throw up I want to go buy some maturity clothes so bad because I only have one pair of pants that fit in now but I'm trying to wait until I'm a little further a long - 45 days ago
For boys I'm thinking of Tyler, DeAndre, and Anthony. For girls we were thinking about Sade, Addison, and Zalaya.

flybear - 47 days ago
I'm feeling a lot better. My next appointment isn't until the 30th but I am excited about it. I've only been seen once so far and that was nearly a minth ago. By my next appointment it will have been 6weeks. Crazy. With my other 3, I was ALWAYS seen every 4 weeks. Oh well. I know there's not much they can do this early on, but bc I am not nauseous or anything anymore it's hard to believe im even pregnant, so I'm dying to hear a heartbeat again. I remember you saying you were high risk but wow. I wish you the best of luck with everything. Hopefully everything goes as uneventful as possible. Keep us updated. I am a crazy obsessive planner so I had had names picked out forever. Lol I picked out two boy names and two girl names during my first pregnancy. If this baby is a girl, we will have used them all lol. Our girl name is Lucy (mom's name) Marie (best friend's middle name). And our boy name is Henry... not exactly sure on a middle name but I may push for using my maiden last name Gagliani. My husband has gotten to use his firat name for a middle name and a traditional Croatian (where he's originally from) name so he should let me but we'll see. Lol what names are you thinking of? - 48 days ago
Hey Flybear. I'm in week 14 but figured I'd speak since it's quiet on here. Overall I'm feeling pretty good. I have a doc appt next week so I'm looking forward to that. I will be seeing another doctor for the remainder of my pregnancy so he will be able to tell me in detail the risks that are involved with my pregnancy. As mentioned before, I had a ectopic pregnancy last year but it was a interstitial (cornual) ectopic pregnancy so the baby was in the place where the fallopian tube connects to the uterus. When it ruptured I had to have surgery and in that process I lost my left tube and the top left part of my uterus. Because that section on the uterus had to be reconstructed that spot is very weak. My old doctor explained that I will have to have a c-section between 36 and 37 weeks. Also, there might be some difficulties as the pregnancy progresses because as the baby gets bigger and the uterus stretches, it might not be able to hold and I can rupture. Right after surgery I was told to wait a year before getting pregnant again and I waited a year and a half so hopefully that part is sturdy enough. I have done research about women who got pregnant after a surgery like mine and most of them had great outcomes, although a few had to be put on hospital bedrest weeks leading up to delivery. One thing they all had in common though is that their pregnancy was considered high risk and that they got frequent ultrasounds (every 1-2 weeks) to see if they were at risk of rupturing. The doc I was seeing up until this point said he doesn't see high risk patients but he'll get me started on my labs and make sure that I'm squared away and then I'll get transferred when I reach the second here I am now waiting until my next appt so I can get some questions answered. Due to the doctor probably wanting to assess the situation himself I think I see an ultrasound in my near future....hoping so cause I can't wait to see my baby on the screen again. On another note, I'm more than positive I've been feeling fetal movement. I don't feel it often but like once a day I feel flutters and movement in my lower stomach...this is my fourth child so I know for sure it's the baby. Excited about that. How are you doing though? Feeling good? Do your other kids know that you're expecting and if so are they excited? Have you thought about names yet or bought anything? I know it's early but I've started to think about names...haven't decided on a boy and girl name yet but we are in the process of elimination. Sorry for the long post....I'm getting a little carried away about the Now that I made it to week 14 everything is so surreal now and I'm feeling confident that this pregnancy is going to end with a baby in my arms. I was excited before but didn't want to get my hopes up because my last pregnancy devastated me and left me heartbroken.

flybear - 49 days ago
How is everyone?

flybear - 51 days ago
I still get nauseous some but nothing like a few weeks ago. Thank God. I hate the constant suck feeling. Hope it passes for you soon Naomi. - 57 days ago
13 weeks today. I still have morning sickness every now and then. For the most part I feel good but certain smells or foods trigger me to start throwing up. The last time I threw up was about 3 days ago but since then I've been fine.

Naomi88 - 60 days ago
Anyone else still getting morning sickness?? I'm so ready for the nausea to be over!

MamaSantos8 - 67 days ago
Anyone still here? I am still sooo tired! I have an ultrasound next week and I can't wait!!

mamatabby - 81 days ago
My stomach is sore to the touch also.. but I was thinking it was were stretch marks could be forming. Boo that. I only get round ligament pains when I'm twist weird or something silly... by the way I'm from wk 15 going to 16 tomorrow. ...

patiently waiting - 82 days ago
my lower stomach is sore to the touch. anyone else having this? They say that round ligament pain gets worse with each pregnancy (this is my 4th)....but i dont remember this! it has been 3 days, almost constant...and radiates from lower to upper side and is focused on the left.

mamatabby - 84 days ago
Yea I'm super excited. :) I want to shop;)

sleepymom - 85 days ago
Mamatabby, hooray for gender ultrasound. I plan on finding out as well. I find it easier to plan, and going through boxes of clothes with two little kids constantly messing up folding and taking things out again drives me bonkers. Happywoman, I am doing good finally me and the kids are over our neverending colds. ARe you going to find out the gender? Glad to hear you can happily eat food again.

sleepymom - 85 days ago
Doda, I'm just too lazy to be bothered with facebook, I barely remember to check my email. If it wasn't for shift work I doubt I would remember to check at all. No pain meds...good for you!!!I get terrible back labour so tho I know I can do without, I still want pain control.

happywoman84 - 86 days ago
Hey sleepymom.. Yeah I have low blood pressure and im not a fan of red meat, I'm a seafood lover. Happy now nausea seems almost I can literally enjoy food Ive eaten 😊 Need to make appointment for ultrasound soon and hope all goes well. How are u and the babies?

mamatabby - 87 days ago
Sleepymom... this is my second baby. I have a 5 year old son. I had him vaginally and plan on this baby being vaginally also. :) I have a appt tomorrow so this will be my second one. I'm pretty excited. I hope I. Get to make gender ultrasound at this appt.:) is everyone going to find out the sex of your baby? I'm going to keep posting on my wk also. In hopes someone answers. :)

doda - 88 days ago
cwatty I may find out gender on December 23 too!!! I say 'may' because they booked me for my anatomy scan for that week (I'm only going to be 16w1d - so if they realize I'm not 18 weeks yet I'm worried they might cancel me - but if not I'm so excited to find out gender for Christmas!!! I plan on doing a gender reveal box filled with balloons under the christmas tree all wrapped up like a present :)

doda - 88 days ago
I wouldn't go on FB if this page wasn't so dead though! I like how this page you go week by week and it's smaller groups of ladies (the people who's week you are in) on FB there's tons of people and you don't really figure out who's who.... but at least there are more people talking :) You need to make a FB account and join! The dilaudid didn't don anything for the pain of contractions just made me really sleepy in between the contractions - with my last two I didn't do any pain meds so maybe I won't get any this time either? I don't know, I kind of don't want to think about it yet! haha

sleepymom - 88 days ago
mamatabby, is this your first or do you have other kids too. are you planning a vaginal or natural delivery? I totally agree about the Facebook thing. It's funny because everyone comments on how dead it is but if people stopped creating Facebook groups this site would be busy again. Personally I don't have a Facebook account and I like the anonymity of this site where I can be part of a 'community' without having to give out too much personal information. The smartphone app is a good idea actually. You should just keep commenting and checking back in my week, at least then we have someone to chat with.

sleepymom - 88 days ago
hey cwatty and mama tabby, glad to see some people commenting! cwatty glad to hear that you are feeling ok, what genders are your other two? what's your guess, boy or girl? are you hoping to have a vaginal delivery or c-section with this one, what did you have with your other kids?

mamatabby - 88 days ago
Hey ladies I'm from 14 wk and going to 15 Tomorrow. I hate that everyone went to FB. I feel if I-A-P had a smart phone app. People would use it more then going to fb. Grrr...

cwatty22 - 89 days ago
I am 13+1 today! I am still feeling sick in the morning but other than that I feel great! This is baby number 3 for us!!! We are going to a place here in Ohio to find out the Gender on Dec 23rd!!!!!

sleepymom - 90 days ago
looks like you gals are going to Facebook, hope to still hear from you on this site.

sleepymom - 90 days ago
happywoman, I am glad I don't get migraines that would be awful. So what can you take for them now? It is a bit of a gap so I see what you mean about it being like your first labour again cause you probably will have forgotten the worst of what the pain was by now. Doda/happywoman, I had natural births for my first two and am hoping to do it that way again. I had an epidural with my first and nothing for my second (but I desperately wanted an epidural it was just too fast for one). If my labour doesn't progress too quickly I will be advocating for an epidural this time!!! Doda- I never tried Dilodid?sp but glad to know it doesn't work. I tried the laughing gas but it just made me nauseous. Doda and Happy woman will you do no pain meds?

babytwee - 91 days ago
Doda- I agree!! I used this site when I was pregnant with my daughter, but the site is not mantained very well anymore and there are SO many FB groups now that most ladies just go there. :)

babytwee - 91 days ago
Honey-moon-surprise- I added you as a friend, once you accept I can then add you to the group! :)

honeymoon-surprise - 91 days ago
Can I be added to the group?? How do I search for it? My name is jade Beddows

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Members in week 13:
  1. Beckym - 07 Sep 2015
  2. Free2bmom - 07 Sep 2015
  3. 3timesthecharm - 09 Sep 2015
  4. delarla - 09 Sep 2015
  5. Jamie86 - 09 Sep 2015

The due date from members in week 13 is from Friday 4 September 2015 up to & including Thursday 10 September 2015. See the full timeline here

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