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Month 1
-Size: At two weeks, the size of a pin head.
-Egg attaches to lining of uterus.
-The heart begins to beat. -
Month 2
-Size: About 1/4 inch (6mm) long as month begins.
-Face, eyes, ears, and limbs take shape.
-Bones begin to form. -
Month 3
-Size: About 1 inch (25mm) long as month begins.
-Buds for all 20 baby teeth appear.
-All organs present but still immature. -
Month 4
-Size: About 3 inches (7.6cm) long, weighs 1 ounce (28g) as month begins.
-Can suck its thumb, swallow, hiccup, and move around.
-Facial features become clearer. -
Month 5
-Size: About 61/2-7 inches (16-18cm) long, weighs about 4-5 ounces (113-142g) as month begins.
-Hair, eyelashes, and eyebrows appear.
-Organs are maturing. -
Month 6
-Size: About 8-10 inches (21-25cm) long, weighs about 8-12 ounces (227-340g) as month begins.
-Fat deposits under skin, but fetus appears wrinkled.
-Breathing movements begin. -
Month 7
-Size: About 10-12 inches (25-31cm) lolng, weighs about 11/2-2 pounds (680-907g) as month begins.
-Has periods of activity followed by periods of rest and quiet. -
Month 8
-Size: About 14-16 inches (36-41cm) long, weighs about 21/2-3 pounds (1.0-1.4kg) as month begins.
-May react to loud noises with a reflex jerking action.
-Moves into a head-down position. -
Month 9
-Size: About 17-18 inches (43-46cm) long, weighs about 5-6 pounds (2.3-2.7kg) as month begins.
-Movements decrease as the fetus has less room to move around.
-Descends into pelvis, ready for birth.
