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Month 1
Size: At two weeks, the size of a pin head.
Egg attaches to lining of uterus.
Critical stage for brain and spinal cord development.
Internal organs and circulatory system begins to form.
The heart begins to beat. -
Month 2
Size: about 1/4 inch long.
Face, eyes, ears, and limbs take shape.
Bones begin to form. -
Month 3
Size: About 1 inch.
Nostrils,mouth, lips, and eyelids form.
Buds for all 20 baby teeth appear.
Fingers and toes almost complete.
All organas present but still immature. -
Month 4
Size: About 3 inches ling, weighs 1 ounce.
Can suck its thumb, swallow, hiccup, and move around.
Facial features become clearer. -
Month 5
Size: About 6 1/2-7 inches, weighs about 4-5 ounces.
Hair, eyelashes, and eyebrows will appear.
Teeth continues to develop.
Organs are maturing.
Becomes more active. -
Month 6
Size: about 8-10 inches long, weighs about 8-12 ounces.
Fat deposits under skin, but fetus appear wrkinkled.
Breathing movements begin. -
Month 7
Size: About 10-12 inches long, weighs about 1 1/2-2 pounds.
Has periods of activity followed by periods of rest and quiet. -
Month 8
Size: About 14-16 inches, weighs about 2 1/2-3 pounds.
Rapid weight gain continues.
May react to loud noises wirth a reflex jerking action.
Moves into a head-down position. -
Month 9
Size: About 17-18 inches long, weighs about 5-6 pounds.
Weight gain continues.
Skin becomes smooth as fat deposits continue.
Movement decresase as the fetus has less room to move around.
Acquires disease-fighting antibodies fromt the mother's blood.
Descends into pelvis, ready for birth.
