Week 13 pregnancy calendar Week 13 pregnancy calendar
Week by Week Pregnancy Calendar

See what fetal development week 13 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 

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Week 13 fetal development


Pregnancy Calendar Week 13Pregnancy Calendar Week 13
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Boy or Girl ? - Find out Today
You're at your first trimester

At this time, your baby weighs approximately 0.8 ounce (28 grams) and about 3 inches (7.5 cm) long. The placenta is growing and weighs about 28 grams or one ounce. Your baby looks like a tiny human at week 13. The baby's head is still about half the size of the body, but will proportionately even out to about of the body size by birth. The baby's intestines have been developing in the umbilical cord up until this point. The intestines will now be moving to the baby's abdomen. Also, your baby's vocal cords begin developing.



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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.

I taken the gender predictor test at fortunebaby.com in early January way before I even had a ultrasound done way before the sex of the baby could be determined. I took the test and it said I would be having a girl! I was so excited because I already have two beautiful little boys and well, about a month ago I had my ultrasound done and your gender predictor test was RIGHT!!!!! I am FINALLY having a girl! Thanks for having such a Great test!

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My husband and I purchased this on 09-09-06 and you predicted it would be a boy. We were skeptical because we really thought we were having a girl this time around and we had an ultra sound right after that said girl. We thought you were wrong until yesterday we had a second ultra sound that clearly showed a boy!!! We are very happy and just wanted to let you know that you were right on and we will be purchasing the 4 year calendar in the future to plan a girl since we will now have two boys. We're looking forward to the cd as well, thanks again!!!

Wanted you to know you were right!!

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