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Period: 1 CE to 2
Month 1
It's the size of a pin head. The egg attaches to lining of uterus. Critical stage for brain and spinal cord development. Internal organs and circulatory system begin to form. The heart begins to beat. -
Period: 2 to 3
Month 2
The baby's about the size 1/4 inches long as month begins. Face, eyes, ears, and limbs take shape. Bones begin to form. -
Period: 3 to 4
Month 3
The baby's 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 still immature. -
Period: 4 to 5
Month 4
The baby's size is about 3 inches long, weighs 1 ounce as month begins. Can suck it's thumb, swallow, hiccup, and move around. Facial features become cleaner. -
Period: 5 to 6
Month 5
It's about 6 1/-7 inches, weighs about 4-5 ounces as month begins. Hair, eyelashes, and eyebrows appear. Teeth continue to develop. Organs are maturing and becomes more active -
Period: 6 to 7
Month 6
About 8-10 inches long, weighs about 8-12 ounces as month begins. Fat deposits under skin, but fetus appears wrinkled. Breathing movements begin. -
Period: 7 to 8
Month 7
The baby's about 10-12 inches long, and weighs about 1 1/2-2 pounds as month begins. Has periods of activity followed by periods of rest and quiet -
Period: 8 to 9
Month 8
The baby's about 12-16 inches long, weighs about 2 1/2-3 pounds as month begins. Rapid weight gain continues. May react to loud noises with a reflex jerking action. Moves into a head-down position. -
Period: 9 to 10
Month 9
It's about 17-18 inches long, weighs about 5-6 pounds as month begins. Descends into pelvis ready for birth.