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."
"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.

DID YOUR GENDER PREDICTOR TEST BACK IN MARCH AND IT SAID I WAS HAVING A BOY WHICH I WANTED. I HAVE HAD 2 SONOGRAMS SO FAR AND THEY BOTH HAVE SAID IT WAS A BOY. HAVE ANOTHER FRIDAY AND PRAY THAT HE IS STILL A BOY........ THANKS

I just wanted to write and say how thankful I am for your website. I have two boys and was desperate for a girl. I found your website and decided to follow your rules. It took 5 months for me to fall pregnant but it was worth the wait. At my 20 week scan I was told they were 85% sure I was having a girl but couldn't be 100%. I wouldn't believe it until I saw it for myself and you were right - I gave birth to a girl. My sons are delighted with their new baby sister. I do not plan on having anymore children but have already passed your website onto two of my friends. Once again I would like to say thank you very much for the advice. I couldn't have done it without you!! Many Thanks!

I just wanted to say thank you so much for being right!! You said I would have a girl and I did.. After the prediction and 3 ultrasounds I still didn't believe it.. My husband and our 6 boys are excited to finally have a little sister.. Thank you!!

On Nov. 18, 2006 I took your baby gender prediction test, even though I was extremely skeptical. You said that we were having a girl (we already have 3 boys) and I figured we were more likely to have another boy. I did not want to get my hopes up. On Nov. 27th and again on Jan. 24, 2007 I had an ultrasound that said we are definitely having a GIRL!! I was so amazed that you were correct so early in the game! Thanks and I will recommend your site to others!

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