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