The fetal heart undergoes a considerable amount of growth very early in pregnancy. The most critical period of its development is between three and seven weeks after fertilization, when a simple heart tube assumes the shape of a four-chambered heart. In fact, the heart actually begins beating by the 22nd day of life.
I had an ultrasound done at what I thought was 5 weeks 5 days and a yolk sac was seen but no fetal heart or fetal pole seen, and a repeat ultrasound to be done 10 days from then. Is this normal to not see any fetal pole or heart at this stage? The ultrasound tech said she wouldnt put me at 5 weeks 5 days.
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t think we will be able 