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You are 4 weeks pregnant.




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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
Missed-Period-FAQ



Comments on week 4

Comments 1-49 of about 1600 from week 4
4 messages have been added in the last 24 hours.
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Show latest comments from all weeks


ek724q - 8 days ago
Thanks baby ali

Cherylsweetz1 - 8 days ago
BFN today. I would be 3 weeks and a few days so probably too early to test but I just really wanted to try. My period comes on about a week so I think I'll wait another week. Preggo symptoms are hard to tell bc I have epilepsy and take meds which make me tired already and with working full time and a busy schedule I'm always tired. Although Tuesday and Wednesday I slept practically all day and I got a headache late Tuesday that won't go away. White tea helped bc of the caffeine but I don't want to take any other meds if I don't have to.

baby ali - 8 days ago
Elizabeth- goodluck hoping u get a positive result x

elizabethscenters@yahoo.com - 8 days ago
I have not been in this situation since 2008, but am praying and trusting God is in the details. I am not sure if I am still 3 or 4 weeks at this time but I know that it seems to early for a HPT. I know that baby would just now be implanting and it could be another week or 2 for it to show. Like with my last pregnancy. I took test to early. But I do have to pee a lot more today. I been nauseated, headache for the last 4 days, smells heighten, sore breast, slight dull pain in my uterus, moods and yes even tears. My husband without ever having kids before started looking up early pregnancy signs last Friday. I didn't know he had done that until like Tuesday. Hmm another sign. Oh yeah and he is super emotional too hehe. Praying for a Positive soon

baby ali - 9 days ago
Funtimemum- hello once Again I was here last year gave birth to my son 1st September, and here now with baby number 4 😄

Cherylsweetz1 - 9 days ago
Anyone tried testing early? I'm chomping at the bit. My last period was Aug 5th and conceived (I think)on the 18/19 (overnight). I would be just over 3 weeks. I really want to test!

ckaySA - 10 days ago
Welcome new mommies!!

funtimemum80 - 11 days ago
Hello! How exciting! I'm very very happy to say baby #8 is cooking ☺️

mamacass1219 - 14 days ago
My only symptom (boobs hurting) - has subsided. Wonder why?...

ckaySA - 14 days ago
I have a 4yr old son and almost 6yr old daughter...

mamacass1219 - 16 days ago
Who has other kids?? How old ? Gender? Have u told them yet? I'm Gonna wait til first trimesters over

ckaySA - 17 days ago
@louisa, wow...i can understand your reluctance to test now...have you had any other symptoms?...hang in there... @mamacass1219, my boobs have gotten a lot heavier (to me) and hubby seems to agree lol...i've had a constant nauseas feeling...and feel dizzy from time to time as well...been having slight cramps off and on too...

mamacass1219 - 19 days ago
Anyone having morning sickness - or any- symptoms ? Boobs hurting over here. That's about it. Paranoid about Ms setting in. Starting new job in two weeks yikes!...... Hoping this one is a girl!!!!! ( already have three boys)

louisa - 19 days ago
@ckaysa - today I'm having very little discharge. Still no AF. I'm kinda scared to take a test, I guess a part of me don't want to see a negative. My first/last pregnancy was in 2006 and I had a stillborn. So becoming pregnant now, almost 10 years later is kinda scary for me at the age 31.

ckaySA - 19 days ago
@louisa...sorry for tmi but i'm actually noticing a lot less discharge in my case lol, have you taken a test yet?...welcome mamacass1219...i'm so glad it's starting to fill up here...yey!!

mamacass1219 - 20 days ago
We meet Again IAP! Baby number four 4/24/16 Bfp today! Nice to meet you all.. Excited to share this journey with you!

louisa - 20 days ago
Experiencing a whole lot of clear/white Discharge today

ckaySA - 20 days ago
@beegee , hopefully we can liven it up a bit lol ;)... @louis, hopefully you don't get AF and you can join us!! Would be lovely...

louisa - 20 days ago
My last AF was July 18. My AF was due yesterday - still waiting for it to show.

beegee - 21 days ago
ckaySA- I hate how dead this website has become!

ckaySA - 21 days ago
it's awfully quiet in here:(

ckaySA - 21 days ago
Hey Everyone!! Found out on 13th Aug that we're pregnant with #3...we weren't planning...but we weren't preventing either lol...I have a 6yr old and 4yr old...I must admit though..i felt or suspected that i was before AF was due...actually had implantation bleeding last Friday that made me wonder...anyway...been feeling nauseas and dizzy mostly...nothing tastes the same either so the next few weeks should be interesting...haven't told anyone yet...

aussiemumma86 - 24 days ago
Hey beegee!- yeah i have the same pains in my uterus feel like im still going to get my periods. Starting to feel a little sick nothing to bad yet. My boobs are just starti g to get a little tender. Last time they were killing me by now. I have my first appt with ob on the 8th september. I just feel un easy because i had a mc 2 months ago at 8 weeks so im alot more on edge about getting to 12 weeks. I'll be around 8 weeks when i see ob .

beegee - 25 days ago
Aussiemom- Just slight boob soreness and the normal pains in my uterus. How about you? I haven't called my OB yet, I was going to wait a few weeks, I don't know what I am scared of. I guess I just don't want to start the 1000's of blood work tests, and the stressing of that drama.

aussiemumma86 - 26 days ago
Congrats beegee! How exciting for your family. How are you feeling? And symptoms yet?

Beegee - 26 days ago
Hey Ladies. I too got a positive Saturday night! Excited but nervous as always. My oldest is turning 4 today, my youngest is turning 2 in October. So we are just a few months behind with this one seeing how we just put our old house on the market in April and bought a new house July 13th this year.

aussiemumma86 - 26 days ago
Woohoo it officially came up that im 4 weeks pregnant! I pray this one sticks. Anyone else finding out they are preggos?

aussiemumma86 - 31 days ago
Got a positive test tonight early for me its not saying im 4 weeks yet. Very excited as i had a mc in may hoping this little ine will stick. ☺

tryingfor4 - 40 days ago
Got a positive test yesterday. Still early for me not even registering 4 weeks yet.

aussiemum86 - 40 days ago
Weber3 I'm soooo bloody excited for you. How exciting i really pray that bubs sticks and you have a happy and healthy pregnancy. I never fell last month 😢 i so thought i would have. Things happen for a reason i guess hopefully i will be 4 weeks behind you. Congrats again ill be keeping an eye on your posts and updates ☺

shanita hall - 40 days ago
Hoping by 2 more weeks I'll be in this group hopefully with a growing boy hoping to be pregnant soon wish me luck

SeasonedMommy - 43 days ago
Lol ikr... I so dislike finding out so early..

weber3 - 44 days ago
Thanks ladies!! @seasonedmommy congrats to you too. I wish time would go a little faster feels like I have been in week 4 for two weeks already lol.

SeasonedMommy - 45 days ago
Hi Weber I'm 4 weeks as well...looks like its just you and I for this week. Congratulations on your bfp

xEricaLynn - 45 days ago
Congrats weber3! That's great news :) So happy for you!

weber3 - 47 days ago
I am back! Got my BFP today two months after my second miscarriage. Hoping this baby is a keeper.

goingcrazywithfourth - 54 days ago
Last day in week 4!! Woot!

goingcrazywithfourth - 58 days ago
As I progress my symptoms are getting stronger. When I got my BFP I was exhausted and slight cramping. Now I'm constipated (sorry TMI) and nauseous and randomly at that. Hopefully will start to get more members as the week progresses!

goingcrazywithfourth - 60 days ago
Hey ladies!! I got my BFP on Sunday. I had an account with my second and third children and had to come back for my fourth! Hope all is well with everyone! My major symptom right now is exhaustion! I'm always tired! 😴😴😴

JDH - 66 days ago
Wow Baker! I've always wanted to do that but my husband says he doesn't think he would handle t well. Way to go! I just got a positive test today while on vacation! It's not necessarily a surprise but I'm breastfeeding and haven't gotten my period back yet. My baby is 11 months old. I'm so excited but a bit freaked as well. This will be #4! I'm wondering how to date the pregnancy since I haven't had a period. I don't really want to go to the doctor yet either.

june2012 - 66 days ago
halo everyone... how is week 4 so far? i am 4weeks+1 and so far no major symptoms for me except that i feel hungry so fast.

Lolo239 - 76 days ago
Hi ladies. I am 4 weeks and 4 days pregnant. I tested on Wednesday it was very faint, so I tested again on Thursday and it was visibly darker. I was 3 days late. This would be my first child. I am 29 years old. This pregnancy was not planned but my fiancé and I are beyond excited! Symptoms I have right now are I am incredibly hungry, sore BB, mild cramping, extremely tired and headaches in the morning and at night. I look forward to sharing this journey with everyone.

lasal - 77 days ago
Hi ladies! I tested last Monday and found out I am prego. Today I am 4 weeks 6 days. This is my third pregnancy and I used this site with the last two. I have an eight year old and a soon to be five year old. I am in a bit of shock but very happy. DH and I had tried for 10 months and it didn't look like we would be able to conceive so we stopped trying and now here I am. Cannot wait to share the journey with everyone!

JustTheBaker - 82 days ago
Found my old profile, yay!

mekagirl34@gmail.com - 83 days ago
TheBaker-That's very noble of you for helping other people accomplish their dream. Congrats to and the parents to be

TheBaker - 84 days ago
Hello ladies. I'm not sure how often I will be posting as my situation is a bit different. I am 4 weeks, 3 days pregnant with a surrogate baby. We are all very excited. I am thrilled to be helping this family grow. The baby has no genetics in common with me - it was conceived using the mom's egg and the dad's sperm, grown in a lab, and then transferred to my uterus via IVF. I have now had several confirmed pregnancy tests, including blood tests. I am excited to be on this journey!

mekagirl34@gmail.com - 85 days ago
Hello ladies so tested yesterday and today and both test came back positive I'm so excited hardly no symptoms at all besides mild tender breasts but the backache is killing me but I'd rather deal with that versus everything else.

elplebekoiote@yahoo.com - 86 days ago
Hi everyone. .This baby number 7 I've had 3 still born 3 live birth .. first time I feel fine no morning sickness or anything ..well my breast do hurt but that's it . Anyone else.feeling.normal not . pregnant?

shellybelly81 - 87 days ago
Man do I get tired! Finally made my first ob appointment so excited.. 7/22!

shoshie00 - 87 days ago
It's quiet in here!



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Members in week 4:
  1. 2miraclesinga - 08 May 2016
  2. Cocoloco - 14 May 2016

The due date from members in week 4 is from Sunday 8 May 2016 up to & including Saturday 14 May 2016. See the full timeline here

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