7 weeks old (fertilization age).
Image credit: The Multi-Dimensional Human Embryo
7 weeks from conception.
7 weeks old (fertilization age).
Image credit: The Multi-Dimensional Human Embryo
- Baby’s heartbeat peaks 170-190 beats per minute and will gradually slow down until birth.
- Facial muscles develop, eyelids begin to form.
- Jaw and collar bones begin to harden.
- Buds of baby’s milk teeth appear; taste buds form on the tongue.
- 99% of muscles are present, each with its own nerve supply.
- Genitalia begin to form- girls have ovaries, boys have testes, nipples can be seen on baby’s chest.
- Limbs and fingers are growing rapidly.
- Baby’s hands move and neck turns right and left.
