Fetal Development at Week 11

Pregnancy typically lasts 40 weeks. Each week the baby changes dramatically, especially during the early weeks. Week 11 brings many changes.

Size and Weight

• During week 11, the baby is about 1.5 to 2 inches long. According to Baby Center, the baby is similar in size to a fig. The baby weighs about 1/3 ounce.

Bone and Tooth Development

• The baby's bones will begin to harden during this week, and teeth are starting to form.

Movement

• During week 11, the baby will begin to stretch and move. However, the movements will not be felt yet by the mother. The hands are beginning to open and close.

Gender

• The baby's genitals have probably begun to take on the male or female form, but are still not detectable by ultrasound.

Hair Growth

• Week 11 brings the formation of hair follicles in preparation for hair growth.

Nail Development

• Nail beds are forming this week on the fingers and toes.