Pregnancy Development

Pregnancy Development

1st Month of Pregnancy
Baby is 1/4 inch in length
Heart, digestive system, backbone and spinal cord begin to form
Placenta (sometimes called "afterbirth") begins to develop
The single fertilized egg is now 10,000 times larger than size at conception

2nd Month of Pregnancy
Baby is 1-1/8 inches long
Heart is functioning
Eyes, nose, lips, tongue, ears and teeth are forming
Penis begins to appear in boys
Baby is moving, although the mother cannot yet feel movement

3rd Month of Pregnancy
Baby is 2 1/2 to 3 inches long
Weight is about 1/2 to 1 ounce
Baby develops recognizable form
Nails start to develop and earlobes are formed
Arms, hands, fingers, legs, feet and toes are fully formed
Eyes are almost fully developed
Baby has developed most of his/her organs and tissues
Baby's heart rate can be heard at 10 weeks with a special instrument called a Doppler

Fourth Month of Pregnancy
Baby is 6 1/2 to 7 inches long
Weight is about 6 to 7 ounces
Baby is developing reflexes, such as sucking and swallowing and may begin sucking his/her thumb
Tooth buds are developing
Sweat glands are forming on palms and soles
Fingers and toes are well defined
Sex is identifiable
Skin is bright pink, transparent and covered with soft, downy hair
Although recognizably human in appearance, the baby would not be able to survive outside the mother's body

5th Month of Pregnancy
Baby is 8 to 10 inches long
Weight is about 1 pound
Hair begins to grow on baby's head
Soft woolly hair called lanugo will cover its body. Some may remain until a week after birth, when it is shed.
Mother begins to feel fetal movement
Internal organs are maturing
Eyebrows, eyelids and eyelashes appear

6th Month of Pregnancy
Baby is 11 to 14 inches long
Weight is about 1 3/4 to 2 pounds
Eyelids begin to part and eyes open sometimes for short periods of time
Skin is covered with protective coating called vernix
Baby is able to hiccup


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