Title: Early Pregnancy Fetal Development
Headings: Early Pregnancy Fetal Development
Early Pregnancy Fetal Development
Early Pregnancy
4 Weeks of Pregnancy
7 Week Embryo
8 Week Fetus
10 Week Fetus
12 Week Fetus
16 Week Fetus
24 Week Fetus
26-28 Week Fetus
30-39 Week Fetus

Content: 10 ﻿
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10 Week Fetus
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At the start of the tenth week, the average size of the fetus is approximately 3.2 centimeters CRL 6 ﻿ and weighs about four grams. 11 ﻿ Tiny toes formed in the ninth week, and now toenails and fingernails are growing. The eyelids have fused shut and will stay that way until they separate at around 28 weeks. 12 ﻿ External ears are continuing to develop, as well as the upper lip. External genitalia is beginning to differentiate. 13 ﻿
The fingers and toes are no longer webbed and now the baby is kicking around! The embryonic tail disappeared during the ninth week. 6
12 Week Fetus
Photo © Science Picture Co/Getty Images
While your baby's brain is not quite yet the size it will be at birth, it has begun developing its structures. 14 ﻿ Your fetus weighs about 14 grams 11 ﻿ and is approximately 5.5 centimeters long. 6 ﻿
Your baby has developed suckling reflexes and their kidneys are producing urine.