Pregnancy

Everything You Ever Wanted to Know

The Developing Baby• Conception– Ovum released from an ovary– Egg moves through the fallopian tube to the

uterus– Egg reaches uterus and flushed out by menstrual

cycle, or fertilized by sperm– Ovum and sperm unite=conception

Zygote- 1st stage• Zygote-fertilized egg, last about two weeks• Travels through fallopian tube and attaches to

lining of uterus– Provides nourishment to zygote

• Zygote grows by cell division– 1,2, 4, etc– After 2 weeks, only the size of a pin head

Fetus-3rd stage• Beings at 8-9th week• 4th or 5th month-fetal movements touch wall of uterus

(quickening)• Uterus grows and expands, more fluid produced• By 7th month, fetus is capable of living outside the womb• Major organ systems ready to operate• Fat deposits added under skin• Fetus stores nutrients and build immunity • Can suck thumb, cough, sneeze, kick, hiccup, and cry before

birth

First Month

• By the end of the first month, the embryo is about 1/10 of an inch long. The heart, which is no larger than a poppy seed, has begun beating.

First Month

Two Months

• The embryo is about 1 inch long and has distinct, slightly webbed fingers. Veins are clearly visible. The heart has divided into right and left chambers.

Two Months

Three Months

• By now the fetus is 2 1/2 to 3 inches long and is fully formed. He has begun swallowing and kicking. All organs and muscles have formed and are beginning to function.

Four Months

• Your baby is covered with a layer of thick hair. His heartbeat can be heard clearly. This is when you may feel your baby's first kick.

4 months

Five Months

• A protective coating

called vernix begins to form on baby's skin. Baby will be nearly 8 inches long and weigh almost a pound.

Six Months

• Eyebrows and eyelids are visible. Your baby's lungs are filled with amniotic fluid, and he has started breathing motions. If you talk or sing, he can hear you.

6 Months

Seven Months

• By the end of the seventh month, your baby weighs about 3 1/2 pounds and is about 12 inches long. His body is well-formed. Fingernails cover his fingertips

Eight Months

• Your baby is gaining about half a pound per week, and layers of fat are piling on. He has probably turned head-down in preparation for birth. He weighs between 4 and 6 pounds.

Nine Months

• Your baby is a hefty 6 to 9 pounds and measures between 19 and 22 inches. As he becomes more crowded, you may feel him move around less.

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