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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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Customer feedback
"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."
"A GREAT BIG THANK YOU! We are having a girl as you predicted when I requested a four year gender selection test. We are so excited as we have 2 boys and they are looking forward to the arrival of a beautiful baby sister to love and cherish. Your gender predictor was also correct for my second child." read more...

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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 Fortune Baby, I found myself surprisingly pregnant with #4. What a shock. Once we got used to the idea we were hoping for a little girl since we had one girl our oldest and twin boys (natural) and once they told us it was only one baby we were so relieved. Well for fun I took your gender prediction test and was told we would have a little girl. We all were happy to see that on the paper, but weren't sure if it was true. Two weeks ago went for my 20 week level 2 ultrasound and they said without a doubt it was a Girl.. We couldn't be happier and was excited that your gender prediction results were correct. Thanks for making the waiting game a fun and hopeful one. Another success story.

Just wanted to let you know that you guys were right. I had my little girl on 12/30/2005. Thanks.

I took your baby gender prediction test on February 19 2007 to find out the gender of our unborn baby. You guys told me that I was having a girl. I already have 3 boys so I was very excited to hear this. Then I had two ultrasounds that told me it was a boy, so I was very upset. I had to get another 2 ultrasounds due to some complications and they both said it is a girl. I was told that before they must of been seeing the cord. So I wanted to let you that your company was correct after all. Thank you very much we are excited to have our first daughter!!

My husband and I have 2 girls together and he has a daughter from a previous relationship. I used the gender prediction test and the results were that I was having a boy. We found out from an ultrasound just recently that we are having a boy.

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