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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 1408 from week 4
3 messages have been added in the last 24 hours.
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HopingforaGirl35 - 4.3 hours ago
Hi Ladies, I tested on Sun. 15 dpo and got 2 lines = PREGNANT!! So happy to be here at week 4!!! :o) Blood test booked in for this Sat.. - 5.6 hours ago
Congrats Christina I am 4w 3 says going by my last period... staring to feel the morning sickness coming :( I hope I dont get hyperemesis this time

christina7289 - 1 days ago
I'm going to be off to 5 weeks tomorrow

christina7289 - 2 days ago
I got a positive test today - 2 days ago
Congrats tik tak I am 4 weeks today finally so weird to know I can't yet get excited cause I havent seen the heartbeat or even told the dr to confirm a pregnancy with blood work... early days tho... flying 4 hours tonight and dd decided to wake up at 5am its gona be a long day :(

tiktak - 3 days ago
6 positive tests down the line this week and I am now sure I am pregnant. Not getting too excited though until I see heart beat on the ultrasound... Haven't event called my GP yet. - 4 days ago
Congrats patiently waiting :) this is baby #3 for as kind of expected it I am hoping for a boy this time xxx

patiently waiting - 4 days ago
Got a shocking BFP today...looks like #4 is on the way! very unexpected but, happy to be here. - 4 days ago
Urghhh 3 more days until I am in this weeks posts... Anyone else here????

babytwee - 18 days ago
Honeymoon-surprise and Amanda0510 - Congrats to both of you!! I look forward to this pregnancy journey with you!! :) I am on # 3, my third and hubby's second. I have a son from a previous marriage and we have a two year old daughter together. I was on here with my daughter and it was awesome to have such a great support group to help you along the way. :)

mizz piggy - 18 days ago
Hey wats uo took a test a positive but today i.took it n.its negative has this happen to any mothers PLZ

Amanda0510 - 19 days ago
Hey ladies! I just got my BFP on Monday. I am so excited. This will be number 2 for me. I have a 4 year old son. Congrats to everyone :).

honeymoon-surprise - 19 days ago
Just got my BFP yesterday!! I Love IAP i was on here with my 2nd child. This is baby number 3 for us and so excited and bursting to tell people! Hubby wants to wait! Hope everyone is well!

tabby607 - 19 days ago
Off to week 5 tomorrow.... congrats to all the ladies on here.. see you there...

emmyjoe - 19 days ago
@ sandra, i think my due date will be may 31. WOW! All your babies in may! Oh my! What a crazy, busy month that is for you! How are your symptoms this go around? I get a little queasy now and then, but that's it.... crazy as it sounds i want ALL the symptoms! I think it just helps me know everything is going okay? ??? LOL

tabby607 - 20 days ago
Thank you everyone. I got my first appt Oct 30Th. I have no appetite either.

babytwee - 20 days ago
Congrats tabby607!! I got my bfp at 9dpo a week ago today. I'm not having many symptoms either except for lack of appetite. It seems the only thing I want to eat anymore is apples and peanut butter. LOL Speaking of which, I think I'm going to have some right now. :)

emmyjoe - 21 days ago
Congrats tabby607!!!

tabby607 - 21 days ago
Ok ladies, I got my BFP today. This is baby #2. But this pregnancy is already different then when I was pregnant with my DS. I knew right away with my son. Everything smelled so gross and everything tasted like dirt... this time around I was just about sure I was going to get my period. But nothing. So took that test and here I am. 😉 maybe it will be a girl this time around....eeeeeeekkkkkk - 23 days ago
Oh ok I see. What's your estimated due date? Mine is June 1st but they'll csec at 39 weeks so another may baby it is. We had our angel baby may 10th 2012. Our rainbow baby may 1st 2014. And this LO will be at the end of may. Just so crazy! - 23 days ago
Oh ok I see. What's your estimated due date? Mine is June 1st but they'll csec at 39 weeks so another may baby it is. We had our angel baby may 10th 2012. Our rainbow baby may 1st 2014. And this LO will be at the end of may. Just so crazy!

emmyjoe - 24 days ago
Just because of my recent history. Miscarriage in july 2013. New pregnancy in August 2013,low progesterone with that one. So they just said take it, it wont hurt. - 24 days ago
Emmyjoe, why did they stay you on progesterone? I haven't even called the dr yet. I figured I I'd call closer to the 9 week Mark.

emmyjoe - 24 days ago
congrats illj!!! I hope it's a good healthy one for you!!

emmyjoe - 24 days ago
Sandra, Yes c-section! I was freaking out too! but did call the DR and there's not much concern. definitely no vbac. but i dont mind. this will be my 4th C. They started me on progesterone and set up my 1st visit for october 24th

emmyjoe - 24 days ago
congrats jmalcom!! :)

illj - 25 days ago
Hi all. I got my bfp 4 nights ago. I have a migraine disorder and can not take birth control. We have 3 boys already and didnt want more but low and behold we were intimate ONE time the whole month and the condom broke. My bfp lines are very light and I had my beta levels tested two days ago and the were only 20. Waiting for my results from todays levels but now im adjusting to the idea of having 4 kiddos I am praying this baby sticks!!! Based on conception I believe I found out VERY early and wont be due till May 30-June 2. - 25 days ago
Emmyjoe im so glad he took it so well! :) did you have a csection with your 4 month old? I had a csection and have been kind of worries about carrying this baby so soon after a csection. Im atill in shock!! Excited but in shock and a bit scared. - 25 days ago
Congrats and welcome jmalcom! - 25 days ago
Afternoon ladies. Just got my BFP. 2 days ago with baby number 5. EDD 28th May (same due date at my 1st). But will most likely be a June baby (gone over 2 weeks with them all) so will be 4 out of 5 babies in June, along side mine & my partners lol. Looking forwarding to spending the next 36weeks with you all xx

emmyjoe - 26 days ago
LOL, I told mine... I was shocked at his reaction! I seriously thought he would be overwhelmed and freak out a bit.... but He just laughed about it! He thought it was funny that we made the same oops twice! we planned our 1st, oops the 2nd, planned the 3rd, and now oops... here comes #4! - 26 days ago
Lol. Ive told my husband hes knows when im suppose to start give or take a day so if I didnt tell him he would have started to question me. Lol My hubby wanted more, he wants to keep going until we get a boy, so im crossing my fingers we have a boy this time! :)

emmyjoe - 26 days ago
Sandra! Wow, Hi! Jeeze! Talk about crazy!! LOL I keep looking into my little ones eyes and asking myself how to tell her daddy!! To save his sanity, I really hope we get a boy this time. Have you broke the news yet? - 27 days ago
Emmyjoe me too!!! We were in the same one last time too!!! Cant believe we're having another may baby so soon! Lol!

emmyjoe - 27 days ago
oh no oh no oh no! How do I explain this to my husband???! We have a 4 month old baby girl, and I'm 4 weeks pregnant! Oooops....

firedancer254 - 33 days ago
Hi ladies! It has been 3.5 years since I have been on this page, but I have a question that I am hoping one of you can answer! I had my IUD removed on August 19th because I hated it. My doc gave me a prescription for a pill which I started taking that day. It is now a month later and I have taken an entire pack of pills and still no sign of AF. I assumed my period would start back right away after having the IUD removed. Trying to decide if I need to go buy a test or not. Has anyone had an IUD removed and started immediately on a pill? If so did your AF come back right away? TIA :)

PrincessMom - 41 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 - 43 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 - 46 days ago
klawest2 I can't find the page. :(

klawest2 - 47 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 - 47 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. :( - 48 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 - 48 days ago
Just got my BFP this morning pregnant with baby #5

Pinkbowstinytoes - 49 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 - 49 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 - 51 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

KristinaA - 52 days ago
forgot to mention the 1 other tell-tale symptom I've had since last week: EXHAUSTION!

KristinaA - 52 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 - 52 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 - 53 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!

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Members in week 4:
  1. lmayaanne - 24 Jun 2015
  2. kcyc15 - 26 Jun 2015

The due date from members in week 4 is from Monday 22 June 2015 up to & including Sunday 28 June 2015. See the full timeline here

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