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You are 4 weeks pregnant.

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Born & Birth stories

By the end of this week, you will most likely be expecting your period to come. However, if you are pregnant your period will most likely not come. Some women do experience some spotting or even a light period. It is also possible to have your period and still be pregnant! If you do miss your period, you might begin to think about a possible pregnancy! Home pregnancy tests are not as reliable as blood tests at this point. A blood test will detect a positive pregnancy test at this point because the hormone, human Chorionic Gonadotropin (hCG), has been secreted.

At this point in your pregnancy, your growing baby is very small and is about 1 mm in length. One mm is about half of the size of a typed letter `o`. You are still not showing at all and you have not yet gained any weight. Even though you are in the very early stages of your pregnancy, many great changes are occurring. The implanted embryo is embedded deeper in the lining of your uterus and the amniotic cavity is beginning to form. The placenta is also forming and will be delivering oxygen and nutrients to your developing baby. This week the blastocyst begins to transform into an embryo. The embryo will have three different layers with different types of tissue. The inner layer will form the lungs, liver, digestive system and pancreas. The middle layer will become the skeleton, muscles, kidneys, blood vessels and heart. The outer layer will become the skin, hair, lenses of eyes, tooth enamel and the nervous system.

A clear result. If you tried it a few days ago and the result wasn't as convincing as in this picture, try it again now to be sure!

Even though you have not yet gained any weight, you need to be prepared to gain weight during pregnancy. Gaining a healthy amount of weight is crucial for the health of both mother and baby during pregnancy. You can control your weight gain by eating healthy and nutritious meals and snacks. During pregnancy you are eating for two, but that does not mean you have to eat twice as much!

Your body now starts producing a hormone which stops you having your period, and it shows in your urine.

It is now possible for your pregnancy to show up on blood tests, and even home pregnancy tests.

About 1 in 3 women have a light bleeding at this point. This happens before you would expect your period to arrive. Unless accompanied by cramping, backache or increased bleeding, a small amount of blood being discharged should be considered as implantation bleeding which is nothing to be concerned about.

At this point, your baby is still not visible to the naked eye.

See also:
Ovulation Calendar (When can you do a home pregnancy test?)
Home pregnancy tests

Comments on week 4

Comments 1-49 of about 1373 from week 4
1 messages have been added in the last 24 hours.
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Show latest comments from all weeks

PrincessMom - 7 days ago
I think I'm going to join this week soon... had a faint line on 6days ER when I POA at night 6days prior to AF due date... hoping for a brighter line soooon... I just want to bring one more baby for my DD... sticky baby dust to all **

mamamunk3 - 9 days ago
After trying for 3 years we are having baby #3. My 6 year old was born May 7th, My 4 yr old was born May 21 and this baby is due May 12th so ALL of my babies are May babies (unless I have this one early of course). Has anyone had any experience with really high progesterone levels? I had fertility treatment to get pregnant and the doctor said my progesterone level was really high and that that could mean multiples. Now I am scared lol

itmustbepink - 12 days ago
klawest2 I can't find the page. :(

klawest2 - 13 days ago
I created a Facebook group for all IAP mamas who are due in 2015 :) search 'IAP 2015' and request to be added! I was a part of the IAP 2012 Facebook group and still keep up with lots of the mamas I met there!

itmustbepink - 13 days ago
Hi ladies!!! I am pregnant with #4!! I have three girls so I am excited to see what #4 will be. I have had 3 miscarriages so I am super worried. :( - 14 days ago
Greetings moms..My LMP was on 2nd date late for 32 days..havent checked yet.will check if still delayed to 40 days..had MC on january 2014..if confirmed prgnt it will be our num 3 due on may 9. Scared to be excited coz of the MC experience :'(

butterfly4 - 14 days ago
Just got my BFP this morning pregnant with baby #5

Pinkbowstinytoes - 15 days ago
Hey Moms... We confirmed tonight that I am pregnant with our 2nd child. Very exciting! I knew it!! We just started trying and got pregnant first try with both. My breasts are larger and hurt, im exhausted and starting to feel sick to the stomach. My daughter is 2 years old and also a May baby so this little bean will be 3 years apart- Perfect gap! Congrats mommas and it should be time that you can take a home test if you arent sure...

sherell - 15 days ago
Omg, someone help please..didnt get a period for this month at all, sore tingling breasts last week.. should i take a pregnancy test? Im not ready for this again n i really dnt knw wat to do. Im scared n going crazy jus thinking that i could be. I jus had a baby 4 mths ago.

lindarae0419 - 17 days ago
Hello everyone! I am pregnant with baby number 7 due May 8th, we are so excited! Happy and healthy nine months to you all!! :D

starlight01 - 17 days ago
Hello ladies I'm new to the site, I'm not pregnant yet but hopefully will be soon with my first child.

KristinaA - 18 days ago
forgot to mention the 1 other tell-tale symptom I've had since last week: EXHAUSTION!

KristinaA - 18 days ago
Anyone having any morning sickness or breast tenderness yet? I'm not. My symptoms have been sweet smelling urine (weird I know, but a give away of pregnancy for me), round ligament pain (which most people don't get till months later, but starts for me by the beginning of wk 4), and charlie horses.

KristinaA - 18 days ago
My last day in wk 4 too. 1/10 of our pregnancies are already behind us... and probably tons of other mommas-to-be out there don't even know yet! lol.

mamaford77 - 19 days ago
Hi everyone. Last day for me here in week 4! My other profile is sford77, but it won't let me add my pregnancy, so I created this one and will only use this one now!

sford77 - 20 days ago
I actually started one. It's called May 2015 Mommies. There's about 17 of us on there now. I created a second profile for everyone to friend since it's a private group. You can only join by being added by a friend. If you send a friend request to May BbMom, I can add you. :-)

**liibii** - 20 days ago
Has anyone thought of making a Facebook group? I think it will be a sweet idea to share our experiences there in a closed group :)

cnjsmum - 20 days ago
Cool to see a few of us expecting #4...

cnjsmum - 20 days ago
Thanks sford!! I had the same thing happen to me with my last baby. I had a mc, then 6/7 weeks later, still no af. So tested and discovered I was already 6wks preggers without af returning. Congrats to U!!!

KristinaA - 20 days ago
Yay for everyone's BFPs. Cheers to healthy pregnancies, healthy babies, and healthy mommas!

sford77 - 20 days ago
My ob is referring me to a high risk specialist after everything turns out ok on my September 12 ultrasound and beta tests. He wants to send me with complete labs but he can't keep me as a patient. I have normal hypertension (I've lost 80 lbs and eat very healthy, exercise daily. It's just hereditary unfortunately), delivered all five children prematurely with pre-eclampsia for the last three, and I'm over 35. I'm bummed because I really like this doctor. Hopefully, I like who he refers me to.

sford77 - 20 days ago
So, I had my OB appt today. Because I have no lmp, my ob did an ultrasound and beta hcg. Like I figured, there wasn't much to see, but the gestational sac is where it is supposed to be. It's measuring 4w1d which is pretty spot on with my estimation of 4w4d. He says it's too soon to say if everything looks good obviously, but so far nothing is wrong. I go back next week for follow up hcg and then an ultrasound on September 12.

sford77 - 20 days ago
Hi CNJ. I also am here shortly after a loss. We removed my IUD June 2, period came June 4, and we conceived on the 15th. We lost the baby July 21 at just shy of 7 weeks. By some crazy miracle, it looks like I ovulated again around August 8, before my cycle even returned. I'm now 4w4d and due May 1!

cnjsmum - 20 days ago
Thanks liibii!! Excited to b here again, hoping this time is for keeps!! I see you are also expecting #4. I've always wanted 4 :) im due may 8th

**liibii** - 20 days ago
Sorry for your loss CNJ. But I'm happy you are here with us!!!!

cnjsmum - 20 days ago
Hi all, congrats to everyone with new bfps!!! I just got mine today at 11dpo, faint, but still there!!! I was just here 2months ago, but lost the baby at almost 8wks, due to a scar ectopic pregnancy. The baby had implanted in my scar tissue frm previous c-sections. It wax very rare, 1:2200, I was the unlucky one. Am really hoping this baby has planted in the right place this time!!!! This will be my fourth and last, to complete my family. So thrilled it only took 1 cycle to conceive. It was meant to be!! Look forward to sharing the ext 8months with you all

**liibii** - 20 days ago
Kristina hiiii, this is my old profile that I just so happened to remember my password! I'll send you a request :) very happy about your anniversary with hubby! 6 years of our lives that we've dedicated to one person is a beautiful thing :)

KristinaA - 20 days ago
Hi Liibii, welcome! I looked at your profile, we have a lot in common. I'm also celebrating my 6 year anniversary (mine is 10/4) and expecting baby #4 in early May.

liibii1992 - 21 days ago
YAYYYYY for week 4!!! my due date is May 5th :0)

KristinaA - 21 days ago
Good luck. I have my first on 9/5. I've never had an MC. Will say a prayer for you. I'm glad they test your levels early.

sford77 - 21 days ago
I have my first ob appt today. We miscarried in July, so I'm hoping he'll do some repeat hcg draws and an early ultrasound next week at 6 weeks.

KristinaA - 21 days ago
Hi Sford! Welcome back. Here we go again :) Glad I have some company over here in week 4 :)

sford77 - 21 days ago
Kristina, I always know too. I tested at 10 dpo and BFN. I was confused because I just KNEW. Tested again at 12 dpo and there she was, my BFP!

sford77 - 21 days ago
Hi girls! I'm due May 1, 2015 with #6! I was on this site with my youngest, who is 3 now, and I met some of my closest friends here! Hoping to have a similar experience again. :-)

KristinaA - 23 days ago
Hi ladies. Looks like I will be joining you all for the next 8 months or so. Congrats all around. This will be my 4th! I started feeling really exhausted last week and had some round ligament pain with some sneezes so I took a test today even though I'm not even expecting my period yet and sure enough. I've always pretty much known whenever I've been pregnant and I've never been wrong. So, here I am. Due May 1!

michellecm - 28 days ago
Got a faint positive last week on two tests :) I'm going to join the group, as far as I can tell, it will show up in your recent activities, but if (on a computer) click the little lock in the right corner, go to 'who can see my stuff' and then 'use activity log' it will open a screen with everything. Once your request is accepted, you click on all and it should be the top, and you just click the little pencil icon and click 'hidden from timeline'. and it should show then. :) This is my third baby, super excited :)

MrsBugs - 30 days ago
Hi ladies!! I think I may have just got a faint positive but the control line was weak too so idk??? If I join the closed group Facebook page that has been set up, can anyone reassure me that it won't show up in my newsfeed on my FB page as I absolutely don't want anyone to know at the moment that I have joined a FB pregnancy group!! Thanks in advance!!!

crummie - 30 days ago
Morning ladies. After just a short time of TTC, I got my BFP this morning. DD is 4/23! I sent a join request to the FB group listed below. My real name is Laura Branham. Hoping to make some great friendships here as I did during my first pregnancy. Happy to be back! :D

supermom87 - 33 days ago
Can being nauseous and vomiting a good sign that its possible I am still pregnant I haven't received blood results yet I'm having weird dreams back to back still cramping but not spotting anymore ugh just wish I knew if things could possibly be ok or not

Desiree.V - 34 days ago
a group for ladies due in April

supermom87 - 35 days ago
It a sucky situation I've had 2 miscarriages before this pregnancy so I'm very scared of it happening again my DH is trying to be supportive trying keep me calm I love him for that but I think I have made up my mind if I lose this pregnancy I am done cause I'm tired of the emotional rollercoaster

supermom87 - 35 days ago
Not really sure I just know with my insurance I can afford the doctors office visit and I can't afford hospital with it so I tend to stick to Dr office unless I have no choice but got to hospital

sher-baby - 35 days ago
Ugh! I'm sorry Supermom! Last year when I was cramping and spotting I had gone to emerg. They gave me my levels within a few hrs. and told me I was m/c'ing. Would it be very costly for u to go to emerg? Or do u think they would tell u the same as ur dr??

supermom87 - 35 days ago
Yeah the doctor drew blood to check my hcg levels to make sure I'm not miscarrying other than that she said wasn't much they could do she told me try not to stress relax when I can stay hydrated and they will call with my levels and let me know what's going on

sher-baby - 35 days ago
Supermom- I'm soo sorry. Are u spotting??

supermom87 - 35 days ago
I'm at Dr office now cramping so bad I don't think there is much that they can do if I am having another m/c :( all I can do now is pray my baby is going to be ok I'm thinking I got to hot working today plz be ok lil sweet pea

sher-baby - 36 days ago
beckybai1984 - i'm kmfx for you that hopefully its just old blood, maybe from implantation. I'm not 5 weeks until tomorrow but my CB conception indicator picked up that i was 5+ weeks (3+ weeks pregnant) on Saturday. I'm still not feeling pregnant though. no symptoms, just bloated like crazy!

beckybai1984 - 36 days ago
thanks supermom but im hoping im not speaking too soon ... Cus now like 2 hrs after my BFP I am now spotting - :(

supermom87 - 36 days ago
Congrats beckbai1984

beckybai1984 - 36 days ago
I just got 2 lines this morning!

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Members in week 4:
  1. giuliaclifford - 22 May 2015
  2. justinsangel1 - 22 May 2015

The due date from members in week 4 is from Tuesday 19 May 2015 up to & including Monday 25 May 2015. See the full timeline here

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