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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 1563 from week 4
2 messages have been added in the last 24 hours.
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Show latest comments from all weeks

JDH - 5 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 - 6 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 - 15 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 - 17 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 - 21 days ago
Found my old profile, yay! - 22 days ago
TheBaker-That's very noble of you for helping other people accomplish their dream. Congrats to and the parents to be

TheBaker - 23 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! - 25 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. - 26 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 - 26 days ago
Man do I get tired! Finally made my first ob appointment so excited.. 7/22!

shoshie00 - 26 days ago
It's quiet in here!

shellybelly81 - 28 days ago
Shoshie I got my bfp 6 days Ago, I've gotten light cramps each day, yesterday had low back cramps as well. My last pregnancy the cramps were awful but I also always worry too!

shoshie00 - 29 days ago
Anyone else experiencing menstrual cramping. I had it with all my babies, but each time it is worrisome!

shoshie00 - 30 days ago
I just got a positive pregnancy test, but this site tells me not pregnant yet!

ladylinksbaby - 31 days ago
Hi everyone just got my bfp yesterday. A lil surprised by it we weren't trying but happy to be welcoming baby #3

shellybelly81 - 32 days ago
Just got my bfp on weds 6/3 I tested 5 days early and didn't think it'd actually pop up positive I've never tested so early.. But I just knew I was pregnant!!!! So excited, lost my last baby at 15 was 1 day 7 months ago, first month trying and we got a rainbow baby! Hope i get to meet this one

JDH - 35 days ago
Took a test today and got a very faint line. Maybe it was my imagination + baby fever! I'm going to get another box of tests today and can't wait to try another! If I'm so lucky, this will be #4! I'm wanting to surprise my husband on our anniversary by ordering a VIRGIN margarita when we go out. Trying to not get my hopes up though 😊

sn2bmomof4 - 47 days ago
Im bacK this will be number 5. - 47 days ago
Just found out today. I jave two boys 8 and 11. I didnt want anymore children lol. I have endometriosis and thought I couldnt get pregnant anymore. I used no protection since my son was born and he is eight. I had procedure for endo abt five years ago. Pain started coming back so about the past seven months I went on birth control to stop cramps. I stopped bc in march. Here it is May Im pregnant. Hopefully its my girl. Ive been very tired. Been having cramps like cycle is coming on. Breast are sore as if period is coming on. Headaches on and off. But really everything feels like first day of my period. I did start getting bloated earlier than normal. So happy but so sad about starting over.

WilliamsonBabies - 49 days ago
I have been experencing lots of morning sickness and heartburn. I wake up with a lot of energy but by mid day I am completely wiped out and ready for sleep!!

WilliamsonBabies - 49 days ago
Hi ladies!! I got my BFP on Friday after 3 months of TTC. This will be #7 for DH and I. I was on here with my last pregnancies. We have 3 boys and 3 girls and all of them are very excited about having a new baby in the family!! I am due Jan 23rd 2016!

donnad - 51 days ago
Got a BFP yesterday this is my 4th we are excited.

ashpeababy - 55 days ago
Hey Ladies!! This is my 3rd time on this site, just got my BFP with baby #5 yesterday and we couldn't be happier!! EEK! I am 11dpo today, still 3 days before AF was due! Cant believe I found out so early! Glad to be here again and cant wait to get to know you all :)

clairemumof6 - 56 days ago
Hi! I'm Claire, just had BFP for baby no 7! Feel free to add me on Facebook, I've set up a secret January babies group, it's Claire Richardson and I have bright red hair in my profile pic :) looking forward to sharing this journey with you all

babykhan - 65 days ago
Hi everyone. How you all doing? well i just got bfp on home pregnancy tests. According to my cycle it looks like my due date is jan. 8. 2016. I will be calling my doc for the first appointment. This is our 4th and finial baby. I have 2 girls and 1 boy already.

wasted-space - 71 days ago
Hey all! Just got my BFP last night! This is number 3 for me. I have. 6 year old and a 2 year old. Due Jan 2nd 2016!

Healthymum - 78 days ago
Hi everyone and cogratulations to you all. Well I found out at 3wks1day that our number 3 is on the way! nearly week 5. this will be a two week early bub, 3rd c section, just in time for christmas! Hopefully by the 9th December- due in the 23rd December, another playmate for my 2 DD's. Aged 6 and 15months.

jory927 - 78 days ago
Congrats @steph and @mamadown!!

MamaDownOZ - 79 days ago
Hi Ladies! Just thought I'd intro myself, I'm almost 5 weeks pregnant. I found out 4 days ago as I had been dizzy and gassy for a few days. I'm so excited but trying not to get too ahead of myself as I've had 2 early losses in the last few years. This will be our 2nd child if everything goes ok, we have a 5yo girl. Looking forward to joining you all on your journeys xx

weber3 - 80 days ago
@step baby congrats! #3 is a challenge but soon much fun. All the best to you on thisjourney.

Stephbaby3 - 80 days ago
WowZa! Just took a test today and it was positive. I'm so nervous. This baby wasn't planned but my husband and I will embrace our third child! According to my the first day of my last menstral period my due date is Christmas day!! Exciting!!

weber3 - 85 days ago
just a few more hours and then in week 6 yayyyy!!!!!

weber3 - 85 days ago
@sarah awwww thanks. Yeah definitely something a guy can't understand

sarah4186 - 85 days ago
@weber3, it's hard for others who haven't been pregnant to understand what our bodies go through while pregnant...we have a precious life growing inside of us. I have been a little hormonal but not bad but it's most certainly to be expected. You are a great person, your husband knows that, it's just hard maybe for him to understand what your body is all going through.

weber3 - 85 days ago
I am so incredibly hormonal. saying lots of things I wish I didnt. and hubby doesn't believe in hormonal things just thinks I am a jerk.

weber3 - 85 days ago
@Sarah I am totally into symptoms and aNY instantiating don't feel anything I panic. trying to relax and enjoy the miracle of being pregnant at this age for now.

sarah4186 - 86 days ago
@weber3- thank you for your prayers for a healthy pregnancy/baby...same goes to you too! I know because of what happened before, any little discomfort no matter how small, I get scared.

sarah4186 - 86 days ago
@Jory927- I'm so happy that you're pregnant too! I remember your name in the trying to conceive area awhile back when I was on there. 😊

weber3 - 86 days ago
@sarah sorry for your loss. Being pregnant after a loss is such a roller coaster ride of emotions. Praying this pregnancy gives you a take home baby.

jory927 - 86 days ago
@sarah4186 I'm so happy for you!! Congrats!!

sarah4186 - 86 days ago
I had to take a break from here for awhile after my miscarriage in February just emotionally overwhelming. My husband and I just found out we are expecting again and I'm praying that this baby will be healthy, safe and no issues. I'm scared and excited at the same time.

weber3 - 87 days ago
@aussiemom I always get all day sickness but I never puke. Just gag. I remember clearly last pregnancy just about everyone in our group got it right at week 6. Almost there!!

aussiemum86 - 88 days ago
Yes i have felt dizzy more so if i move quick or bend over a lot haven't really felt queasy yet! Hope i do soon just for peace of mind. Did any of you ladies have bad morning sickness with your other pregnancies? With my first boy i had a little bit of a night around 11pm with my 2nd boy i was lucky and only felt tired and dizzy he was a good little man to carry quite an easy pregnancy. I had restless legs with both pregnancies so hoping i miss out this time.

weber3 - 88 days ago
I felt very dizzy tonight after work and a bit queasy. Not sure if my supper agrees with me right now but it's all good. Usually don't feel like this so early. Symptoms are good though. Reassuring.

jory927 - 88 days ago
Yes!!! I've had dizziness start today, so glad I'm not the only one! Aside from that and having to take an afternoon nap I feel great.

aussiemum86 - 88 days ago
Thanks everyone they all seem good for now. Just very hard to handle sometimes. Hows everyone feeling? Is anyone starting to get any sickness or anything? I've just started feel quite dizzy but apart from that I don't feel pregnant.

madelynsmom *pink* - 89 days ago
@aussiemum86 i hope there's no drama for you and your family!!

weber3 - 89 days ago
@aussiemum yeah no drama!! Hoping this for you too.

jory927 - 89 days ago
@aussiemum86 Congrats on you bfp! I'm due 12/6 so at least our due dates are close! I have a 19 month girl so juggling a toddler and newborn should be quite the adventure!

jory927 - 89 days ago
@madelynsmom519 that's awesome, I'm so jealous!!! Wish I could fast forward a few weeks!

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Members in week 4:
  1. june2012 - 08 Mar 2016
  2. LuvleeRed - 10 Mar 2016

The due date from members in week 4 is from Monday 7 March 2016 up to & including Monday 14 March 2016. See the full timeline here

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