Week 4 pregnancy calendar Week 4 pregnancy calendar
Week by Week Pregnancy Calendar

See what fetal development week 4 has for your baby using our pregnancy calendar week by week format

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Week by Week Pregnancy Calendar


Our week by week pregnancy calendar will show you stages of embryo fetal development for your current week of pregnancy week by week. Our stages of pregnancy calculator will display which week and trimester you are currently in.


Pregnancy Week : 4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41 

View fetal development by pregnancy trimester stages


Week 4 fetal development


Pregnancy Calendar Week 4Pregnancy Calendar Week 4
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Boy or Girl ? - Find out Today
You're at your first trimester

The fertilized egg will implant in your uterus this week. This egg is called a blastocyst and it measures 0.1-0.2 mm in diameter. The sex and other characteristics of your baby have already been determined.



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"Thanks for the awesome result! I used your online baby gender predictor and the result was a Boy. Few weeks later, our scan confirmed that we are having a baby Boy. We are excited and very happy! I will recommend your site to everyone."
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Fortune Baby Gender Predictor Reviews


Thousands of happy moms around the world successfully used Fortunebaby gender prediction test. We are delighted to share their gender prediction reviews about their experience with Fortune Baby.

Dear Fortunebaby, I took your baby gender predictor test in december to determine the gender of the baby. It said it was a boy. I had an ultrasound done on Saturday the 23rd of Feb. And I'm having a boy!!!!! Thanks so much. But I already knew that I was going to have a boy before I got pregnant, this was just for fun.

I have to say I had a little doubt in this whole test thing but when I got my results saying I was expecting a boy. I didn't really know whether believe it or not, I thought it was one of those gimmick things, that it was one of those do this for fun kind of things, but as impatient as I was I was still skeptical that it wasn't really going to predict what I am having. Well I am 20 weeks pregnant with my first child and just found out through ultrasound that your gender predictor test was indeed correct. My husband and I are expecting our first son! I would definitely recommend this site to anyone wanting to know!!!

I just wanted to say I bought the gender prediction test, and it said boy. I was skeptical at first, but I went for my ultrasound on February 28th, and they said it was definitely a boy. I was so amazed that you guys were right. I am going to recommend you to everyone I know that is having or wants to have kids. I am so happy because I already have a daughter, so now I have one of each. I will put your baby gender prediction test results in my son's baby book. Thank you.

Just wanted to thank you and say you were right I/m having a baby Boy that/s due March 31 I did the gender predictor test on September 20th and I just did a sonogram on November 4 and it showed it was a boy I would recommend your site to all my pregnant friends ....thanks again.

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