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Week by Week Pregnancy Calendar

Fetal development pregnancy calendar week by week format taking you through the development of your baby during the course of the next nine months of your pregnancy.

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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.

Hello, Wow, you got the right answer! I had a boy!!!

You were right - I gave birth to a baby boy as you predicted on 12 May 2006.

Thanks for the Gender Prediction. Last year I took the gender prediction report in Jan 2005. I conceived at the predicted month and delivered last month a Boy. I waited for nine months to keep a surprise. I have a daughter and in my close family we already have four girls everybody wanted to see a boy. We all are very happy. I would be recommending the website to my family and friends.

I just wanted to let you know that you were right again! I did a test on my cousin and you guys predicted that she was having a boy she went for her sonogram and sure enough she is. I also did a test for myself but I won't know until the end of next month but I will keep you guys posted. Thanks!!!!!! YOU GUYS ARE GREAT!!!!!!!!!

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