-
Size: 1/4 inch
Face, eyes, ears, and limbs take
Bones begin to form -
Size: A pin head
Egg attaches to lining of uterus
Critical stage for brain and spinal cord development
Internal organs and circulatory system begin to form
Heart begins to beat -
Size: 1 inch
Nostrils, mouth, lips, eyelids form
Buds for all 20 baby teeth appear
Fingers and toes almost complete
All organs present but still immature -
Size:3 inches
Weight : 1 ounces
Can suck on thumb, swallow, hiccup, and move around
Facial features become more clear -
Size: 6 1/2 - 7 inches
Weight: 4-5 ounces
Hair, eyelashes, and eyebrows
Teeth would continue to develop
Organs are maturing
Becomes more active -
Size: 8-10 inches
Weight : 8- 12 ounces
Fat deposits under skin, but fetus appears wrinkled
Breathing movements begin -
Size : 10-12 inches
Weight : 1 1/2 - 2 pounds
Periods of activity followed by periods of rest and quiet -
Size: 14-16 inches
Weight: 2 1/2 - 3 pounds
Rapid weight gain continues
May react to loud noises and a reflex jerking action
Moves into a head-down position -
Size: 17- 18 inches
Weight gain continues
Skin becomes smooth as fat deposits continue
Movements decrease as the fetus has less room to move around
Acquires disease-fighting antibodies from the mother's blood
Descends into pelvis, ready for birth