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Conception
The sperm and egg meet and the ovum is fertilized. -
Month 1
Baby is the size of a pin head, and the heart is small but beating.
Mother has missed her period. -
Period: to
Period of the Zygote
Period of the Zygote.
The fertilized egg implants in mothers uterus. -
Period: to
First Trimester
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Period: to
Period of the Embryo
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Month 2
Baby is 1 inch long, veins are visible. The baby has developed face, eyes, ears, and limbs. The heart has also divided.
Mother has swelling in breast, increased urination, and morning sickness. -
Week 6
The baby begins to have a heart beat. -
Week 8
Baby starts to practice moving, face is beginning to take shape and teeth begin to develop. -
Period: to
Period of the Fetus
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Month 3
Baby is over 2 inches. He/She is swallowing and kicking. And organs and muscles have formed.
Mother gains 2-4 pounds, is tired and sick, and breast become fuller and firmer. -
Week 11
Taste buds develop and baby can swallow and stick out its tongue. -
Period: to
Second Trimester
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Month 4
Baby has thick hair, heart beat heard, and is about 3 inches-1 oz.
Mother has an increase in appetite, morning sickness is gone, and abdomen grows slowly. -
Week 18
Baby can hear sounds. -
Month 5
Baby is 6.5-7 inches long and 4-5 oz. Baby also has Vernix Caseosa growing on skin.
Mother has enlarged abdomen, affected posture, fetal movement, and the babies heart beat can be heard through a stethoscope. -
Week 22
Baby starts having regular sleep rhythm. -
Month 6
Baby has eyebrows and eyelids, lungs are filled with amniotic fluid, can hear, and is 8-10 inches long.
Mother feels kicks, bumps, and thumps. She also gains 10-12 pounds. -
Week 25
Hands and genitals are fully developed. -
Month 7
Baby is 1.5-2 pounds and fingernails cover fingertips.
Mothers posture is affected by weight. -
Period: to
Third Trimester
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Week 30
Baby controls own body temp. and skin is smoother. -
Month 8
Baby gains half a pound a week, turns head down, and is 14-16 inches long.
Mother has pain in back, leg and abdomen. And gains 18-20 pounds. -
Week 34
Eyes open when awake and close when sleeping. -
Month 9
Baby is 5-6 pounds and 17-18 inches. Baby is also more crowded.
Mother has false labor pains, fetus drops, typically gains 25-35 pounds, and has discomfort. -
Week 38
Development is complete and baby only has to gain weight. -
Birth
The baby is finally born after 9 months.
