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ovulation
"Ovulation is when a mature egg is released from the ovary, pushed down the fallopian tube, and is made available to be fertilized. Approximately every month an egg will mature within one of your ovaries." -
egg and sperm
"Human fertilization is the union of a human egg and sperm, usually occurring in the ampulla of the fallopian tube. The result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development." -
month one of pregnancy, beginning of first trimeser
"A primitive face takes form with large dark circles for eyes. The mouth, lower jaw, and throat are developing. Blood cells are taking shape, and circulation will begin. By the end of the first month of pregnancy, your baby is around 6-7mm (1/4 inch) long - about the size of a grain of rice!" -
month 2 of pregnancy
"By the end of the second month, your baby, now a fetus, is about 2.54cm (1 inch) long, weighs about 9.45g (1/3 ounce), and a third of baby is now made up of its head." -
month 3 of pregnancy, end of first trimester
"At the end of the third month, your baby is about 7.6 -10 cm (3-4 inches) long and weighs about 28g (1 ounce). Since your baby's most critical development has taken place, your chance of miscarriage drops considerably after three months into the pregnancy." -
month 4 of pregnancy, beginning of second trimester
"By the end of the fourth month, your baby is about 6 inches long and weighs about 4 ounces." -
month 5 of pregnacy
"By the end of the fifth month of pregnancy, your baby is about 10 inches long and weighs from 1/2 to 1 pound." -
month 6 of pregnancy
"By the end of the sixth month, your baby is about 12 inches long and weighs about 2 pounds. His or her skin is reddish in color, wrinkled, and veins are visible through the baby's translucent skin. Baby's finger and toe prints are visible. The eyelids begin to part and the eyes open." -
month 7 of pregnancy, end of second trimester
"At the end of the seventh month of pregnancy, fat begins to be deposited on your baby. Your baby is about 36 cm (14 inches) long and weighs from about 900 - 1800g (two to four pounds)." -
month 8 of pregnancy, start of third trimester
"Your baby, who is now about 46cm (18 inches) long and weighs as much as about 2.27 kg (five pounds), will continue to mature and develop body fat reserves. You may notice that your baby is kicking more. Baby's brain is developing rapidly at this time, and he or she can see and hear." -
month 9 of pregnancy end of third trimester
"By the end of this pregnancy month, your baby is about 46- 51cm (18 to 20 inches) long and weighs about 3.2kg (seven pounds)." and getting ready for birth, and finishing developing.
