Fetal Development Pictures Slideshow: Month by Month

Reviewed by Charles Patrick Davis, MD, PhD on Tuesday, June 11, 2013

Human fetus in utero at 8 weeks

A sperm cell penetrating an egg, resulting in conception.

sperm fertilizing egg

fetal development at 4 weeks

fetal development at 8 weeks

Human fetus in utero at 12 weeks

Human fetus in utero at 16 weeks

Human fetus in utero at 20 weeks

2D ultrasound (inset) contrasted with a 4D ultrasound, both at 20 weeks.

4D (3D in real time) and standard ultrasound images

4D ultrasound of 24-week fetus

4-D ultrasound of a fetus at 28 weeks

Visits to the doctor generally occur every two weeks at this stage of pregnancy.

Pregnant woman being examined by doctor

fetus in utero at term

Newborn baby at birth

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