heart and brain
No. At five weeks your baby has just developed a heart beat. 4 months is about the earliest you will probably feel in fetal movement. Here is what your baby looks like at five weeks: * http://3dpregnancy.parentsconnect.com/calendar/5-weeks-pregnant.html
Generally you wont hear a fetal heart beat till about week16. The uterus is above the symphysis pubis(the pubic area) at 16 weeks.
I'm at 6 week and 4 day, the fetal heartbeat was 114, and my doctor said that normal, so don't worry & get relax.
at about 4 weeks they can sometimes see the gestation sac. by 5 weeks they can usually see the yolk sac. and by 6 weeks you can usually see a fetal pole, sometimes even a heartbeat
From what I understand, you should see a fetal pole by that time. However, I would go back for another u/s in about a week to see if things have changed or not.
No. The sex organs do not start to show until after the 10th week.
At around 4 weeks of gestation, the heart is beginning to develop, but it is not yet beating in a way that can be detected by standard methods. Typically, a fetal heartbeat can be detected using an ultrasound around 6 to 7 weeks of pregnancy. By that time, the heart has formed enough to produce a rhythmic sound that can be heard.
mice are totally developed at the age of 6 weeks, though they can be sexually mature earlier (around 3-4 weeks).
The babies (embryo) heart starts to beat at about 4 weeks.
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4 or more
4 or more