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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 784 from week 13
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daffymtz22 - 4 days ago
I'm only taking a multivitamin Prenatal pill. Would that help?

DerbyQueenDill - 5 days ago
daffymtz22: are you taking Vit B6 in addition to your prenatal?

daffymtz22 - 5 days ago
Not me. I feel so exhausted all the time. I don't want to complain though because I love being pregnant.

DerbyQueenDill - 7 days ago
Starting to get my energy back, how about anyone else?

lilgibber22 - 8 days ago
Yay for being in the 2nd trimester!!!

DerbyQueenDill - 11 days ago
Hello Week 13!

PaulaSoon2B8 - 45 days ago
There I fixed that, I just opened a new account :) - 45 days ago
So quiet around here...posts are so far and few between...I miss the days when there were multiple posts everyday...its fun to read how everyone is doing! I cant access my profile anyone else having this problem? I can see everyone elses but not my own :( - 48 days ago
Feels like nausea is SLOWLY subsiding....although I still experience it at times, and dry heaving...gosh I hate that feeling :P 13 weeks and counting wow....hope everyone is feeling healthy and well as can be of course :) This is going to be a rough go for me, I started off the pregnancy over weight...and have quit smoking and drinking coffee to give baby the best chance...going to take a lot of self discipline not to fill these voids with extra crappy food lol. But I am determined...I don't want to carry a bunch of extra weight around...especially if we get a normal humid Southern Ontario summer!! Any body else battling the buldge during this pregnancy, and diet routines or advice...doesn't help I have a desk job Monday to Friday 8 to 4...limiting my mobility 5 days a week, but its emotionally and mentally draining....and am exhausted when my day is done, even then I have 7 children and a husband to go home and tend to :) Any advice or input would be much appreciated :) - 50 days ago
1morefor4...Im still battling the same symptoms :( Nausea almost constantly...and tired all weekend long. I seem to plunge through my work week, but by Saturday Im down for the count. My last 2 children now aged 2.5 and 1...I didn't take my maternity leave, just 2 weeks vacation time....I am looking forward to my year off this time around!!

kekea - 52 days ago
1morefor1 i didn't get my energy back until week 14 so i hp you feel better soon . Now my skin looks like a 14 year old mood swings are terrible. I am extremely patient with my childen but now i find myself getting overwhelmed. I had an ultrasound and the tech and i both agreed that we saw girl parts. Hopefully she is still a girl so that we can start planning for permanent bc

1morefor4 - 52 days ago
treadingwater--my only suggestion is a humidifier. I suffer from pregnancy congestion which causes frequent nosebleeds. I've had it every single pregnancy and it gets worse in the 2nd trimester.

treadingwater - 53 days ago
Having this baby I can't seem to breathe through my nose. Anyway to help? I do not have mucous. It's not allergies. I do not know what to do.

1morefor4 - 54 days ago
And as far as pregnancy symptoms. I'm still nauseous and tired. But I'm always hungry too. And having mood swings and bad skin.

1morefor4 - 54 days ago
I'll be wearing summer dresses, yoga capri pants, and sandals to get through the summer months of this pregnancy.

1morefor4 - 54 days ago
Hey ladies. I have a new blog update on my profile. I finally finalized my due date with my midwife. So I'm due on Oct 5. I'm not having an NT scan now. I heard the heartbeat through the Doppler. And I have a belly now.

RowdyRandi - 56 days ago
I'm starting to look pregnant now. Guess since this is my second the belly is rounding sooner. Despite that still haven't gained any weight yet and still fitting in regular pants(well except one pair is too snug)

RowdyRandi - 56 days ago
Kekea another safe thing to take while pregnant is acidophelus pills in vitamin section. Walmart has 2 bottles for about $9. Just one pill a day

kekea - 59 days ago
Mamalira I have been drinking lots of water. I will try yogurts . How are you feeling? I finally have my energy back . I was able to work my whole work shift without feeling extremely exhausted and I even worked out...

mamalira - 62 days ago
keka are you taking a probiotic?? that will help you with the constipation along with a ton of water! I hope you can go soon. Nothing worse than not being able to poop. lol

kekea - 62 days ago
That's nice mamalira. I am still extremely fatigued and in addition I have been backed up for almost a week (sorry if tmi). Grrr.

mamalira - 63 days ago
So glad to be in week 13! We announced it last week. :) We got to hear a strong 140bpm on Thursday too!! Nausea is gone too!!

kekea - 65 days ago
Hi week 13!!! Feeling pregnant,looking pregnant, and I'm pretty sure I felt flutters. I have not officially announced my pregnancy but I have had 3 people ask me if I was pregnant this week. Lol.

beckym - 68 days ago
Just bought a maxi dress last week, pairing with a knit light open over shirt, it is cute how the belly shows beyond the overlay.

3timesthecharm - 76 days ago
And 14 weeks tomorrow woot woot

3timesthecharm - 76 days ago
Since these are summer babies what are you ladies thinking your summer wear will be .... Mine just maxi dresses and chucks

holz8519 - 76 days ago
went for my first trimester scan today measuring 13w1d. Baby was in bad position was hard for tech to get measurements. Was not able to get a glimpse of sex but guessing from the stubbornness I'm sticking with my gut feeling that it's a girl lol. I got for my anomaly scan April 22nd and hopefully then the baby will be more cooperative and we can find out for sure. I'm just so excited to see my lil one is growing and looking healthy. Deciding how to share the news with my in-laws. This will be their 4th grand-baby.

austinjeanxo - 76 days ago
Hi everyone, hope all is well.... I haven't been on much... Working a lot and having HG really sucks =[ we are not going to be finding out the sex so this should be fun!!! My oldest turns 4 tomorrow!!!! I can't believe she's getting so big !! I think I'm Also feeling little flutters.... Can't wait for stronger movements!!!!!!

jamie86 - 76 days ago
Becky my daughter that just turned 4 today bf until she was 16 months. She self weaned but I was also 6 months pregnant so my milk dried up. I don't mind bfing until 2. I would have let my young bf for 2 more months but I had just lost my 2nd baby last year and needed to stop for myself. Free2bmom and holz I've been feeling a little movement since about 12 weeks but the last few days it's really picked up.

jamie86 - 76 days ago
Had appt yesterday and baby was moving like crazy trying to run from the doppler. Hb was 150 and they offered the panorama test. I went ahead and had it done. Wasn't going to since they hadn't offered and it won't matter what the results are but knowing will be nice. Can't wait for my ultrasound tomorrow morning. Hoping we can find out the sex but if not I'll know from the blood work.

holz8519 - 77 days ago
Hi ladies jumping a head a couple days I thought I felt my lil one move the other night. I was quietly laying in bed. It was just little flutters. This is my 8th pregnancy and hopefully 4th baby. I go tomorrow for my 1st trimester screening. I remember going to this scan for my almost 4 yr old daughter and I had to go twice because she was so active they couldn't get all the measurements the first time. lol

beckym - 77 days ago
Well I guess I am shuffling off to week 14, see you gals there!!

beckym - 77 days ago
Cool, so maybe it was the baby moving!

Free2Bmom - 78 days ago
I started feeling movement at 12 weeks with this one. Not little flutters but I was kinda laying on my side and stomach and I felt the baby do a full turn. My doc Said it's possible with your second or third to feel movement this early. I feel little kicks all the time when I sit down for a few mins.... Depending on my blood sugar. I can't feel it on the outside with my hand yet. I also had dated a week ahead though at my last ultrasound. I didn't feel movement with my son until I was about five months and by then you could feel his kick with your hand on my stomach too. Nothing better than feeling those kicks :)

beckym - 78 days ago
I thought I felt movement in my belly today, but I could have been wrong. I look forward to every day movement because I am showing now, and it will make me feel less fat and more pregnant. I went to my niece's 18 year birthday dance party, and when I put on a dress I asked my kids if I looked ok, they said yes, then I asked if I look pregnant, again a yes, then I asked if I look fat, they had mixed responses, of sort of and a little bit. My favorite part of the second trimester is the baby moving, enough that you know they are there but not 3rd trimester foot stuck in rib cage.

beckym - 78 days ago
Jamie, epidural totally freak me out, a friend of mine had one and it went wrong was leaking spinal fluid, back was totally messed up for a while. As far as nursing, Anthony was half and half until 6 months I was like you with Felicity, she didn't want to stop breastfeeding where Anthony hated it, Felicity breastfeeding fed up to 2, then I saw the movie grown ups, with that breastfeeding feeding 4 year old, that was my wake up call, but then I woke up one day with torticolus, a neck spasm pain women get that leaves you in agonizing pain and barely any neck control. Went to the hospital, they said muscle relaxers, pain killers and a neck brace for the next 1-2 weeks would fix me right up, I said I'm breastfeeding, they asked how old my baby was, I said 2, they said maybe this would be a good time to stop. I told Felicity we couldn't breastfeed because of mommy's neck, she said, ok mommy feel better. Later when the neck brace was off and I was well again, she came to me, placed her hand on my knee and asked if I feel better, I said yes, I feel much better; then she asked can I breastfeed now, I said sorry honey, the milk is all gone, she cried for about two hours straight. Michelle I breastfed til about a year, trying not to repeat the time before, lol.

jamie86 - 78 days ago
Delarla so exciting! Congrats!!! I'm hoping to find out Wednesday. Becky- pitocin is rough. I have never gone completely natural but have never had the epidural either. Couldn't have one if I wanted to. I have found that IV meds don't help all that much either so I don't know why I end up asking for them. As for breastfeeding, it didn't workout with my oldest but I bfed my girls until after they were 1. My youngest was 22 months when I finally got her weaned. The maxi dresses are so cute. I'll be buying some for this summer too! Redhead- so exciting. I wanted to have that done but hubby didn't want to find out that way. Knowing if there was a problem with the baby would have been nice bif wouldn't have changed anything so I didn't have it done. 3times- I have hardly had any symptoms this whole pregnancy. Never once needed anything for nausea because I really didn't have any. Baby is still doing great! I've just been tired but will be that way for awhile.

3timesthecharm - 79 days ago
Hello week 13.... 13 weeks pregnant and still don't feel it. I know that's a good thing to most but it makes me nervous. With my last two I threw up non stop which kept me, aware I guess, of the fact that I was pregnant.but now nothing except the lack of a period ..... Hope you ladies are doing well

beckym - 80 days ago
I am done buying maternity clothes, I fell into this trap for 2 pregnancies, then when you come out of the hospital with your beautiful baby, your tummy isn't looking as beautiful as when you started and your pregnancy clothes have not yet finished their job until later. With Michelle I bought larger size clothes, that way after delivery, when you eventually go out for something, people don't think you are early pregnant, which can be crushing. I saw this year they have super cute maxi desses. Being summer babies light airy stretchy dresses will be perfect, but I want the long style so when crossing legs becomes an impossibility the dress won't be above the knee, rather at the ankle. I can't wait til I buy one, but I am still wondering what size I will want, where it will stretch the whole pregnancy, but not look super baggy during the smaller time. I also bought from last time two of those convertible wrap dresses because we were going on a cruise and I thought it would look nice with the prego belly as it has an empire line of sorts so it either hides or accentuates the belly at varying times of the pregnancy, they are jersey fabric which stretches, I have been wearing those to church.

beckym - 80 days ago
Goodluck mama, I hope they can tell you.

redhead-mama - 80 days ago
Hello everyone! 13 weeks and I just had the genetic test done too, so should find out next week if boy or girl! So excited!

beckym - 80 days ago
Delarla, congrats on finding out! Jamie, I understand, I was given petocin once to speed up labor when my first had meconium, I was trying to go no pain meds, but was good until they said they were giving petocin, I panicked and asked for something mild, they gave me nubain, I had trouble breastfeeding the first couple days and the nurses insisted on formula, which became a battle for 6 months with breastfeeding confusion, but I found out a few years ago that nubain actually causes breastfeeding issues in infants. I went no pain meds the next two, but my third I had to be put on oxygen which was a first, but I fully blame my sister in law whom I invited so we could have a closer sister bond, she without asking brought her 13 year old daughter when I was in the worst labor before the pushing, if that wasn't enough, she said to her as they stood there, now see, this is why you don't have sex, do you want to go through that. I wanted to kill her, forgot my breathing because I think it turned into fire at that moment. It took me 2 years to tell her how I felt about that fiasco, she apoligized, but wow.

delarla - 80 days ago
We just went for our gender u/s and they said def a boy!!!

jamie86 - 80 days ago
I always go over my due date. I have no clue how this time will go and if my dr will induce early or not since the meds I'm on this time. I'm going to avoid 9/11 if I can though.

beckym - 80 days ago
Delarla, thank you for serving our country. I used to babysit for my neighbors who were both in the military when I lived in North Carolina. They were awesome and their son was my middle daughters age when she was 1 1/2+. They played so well together, and the mom let me help her make cookies during the holidays for the soldiers. The dad had it a pretty rough, there was a car bomb in Afghanistan that injured him, he sustained a head injury that made it where his brain can't regulate pressure of fluids, when they begin to build, his speech becomes disjointed, a few times he has come to our house in that condition when no one else was home so we could take him to the hospital. They put in a drainage tube, but have no permanent solution. It is terrible that happened to such a wonderful family I really hope they can help him better soon.

beckym - 80 days ago
HA!!! Delarla, we all could be a walking pun, hehe, having the babies on labor day weekend, it certainly would be a 'labor' day for us.

delarla - 80 days ago
Becky- Both my husband and I are military and I expressed how worried I was about having a baby on 9/11. I still get REALLY emotional about that day and refuse to watch tv because I cant handle to relieve it. As far as birthdays and due dates... My oldest was due 1/14 and was born on her due date, then 10/5 born 10/2 and my youngest was due 12/31( but i think they messed up and she was supposed to be due 12/25) and she was born 12/20. Since this is my fourth Im thinking I will go earlier. Im shooting for labor day weekend since my kiddos wont be in school, but obviously nothing works out the way we plan it!

beckym - 80 days ago
Wow, I just realized our week has about 6 people in it right now. I also just noticed poor Lolo has a due date of 9/11, I also realized we are all in the same boat there, as the due dates are almost always off. My first was due 6/12, born 6/9; second was due 4/21, born 4/22; third was due 8/20, born 8/21. I hope none of ours are born on 9/11, that would make party planning awkward.

beckym - 80 days ago
Next batch I buy, I will try the one a day delarla, and if they bother me, I'll try to break them in half😊

beckym - 80 days ago
Free2bmom - the half prenatal twice a day sounds brilliant, if I am strong enough to break that horse pill, I will certainly give it a whirl! The three children I have are all 3.5 to 4 years apart as well, it just worked out that way, my youngest will be 4 a month before this one is due. We have a 3, 6, and 10 year old.

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Members in week 13:
  1. Baby Maestas - 24 Nov 2015
  2. ashandtsfirst - 25 Nov 2015
  3. Bgamble15 - 27 Nov 2015
  4. newmom2383 - 27 Nov 2015
  5. NycNaz23 - 27 Nov 2015
  6. SarahBeth13 - 28 Nov 2015

The due date from members in week 13 is from Monday 23 November 2015 up to & including Sunday 29 November 2015. See the full timeline here

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