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Conception
If an egg meets up with a sperm cell that has made its way into the fallopian tube, it combines into one cell, a process that's known as fertilization or conception. At fertilization, the sex of the fetus is already determined, depending on whether the egg receives an X or Y chromosome from a sperm cell. -
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First 9 months
1st through 9th month. The process that leads up to birth. -
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First trimester
1st through 3rd month of development. -
First month
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 6-7 mm (1/4 inch) long - about the size of a grain of rice -
Second month
Your baby's facial features continue to develop. Fingers, toes, and eyes are also forming in the second month of pregnancy. The neural tube (brain, spinal cord, and other neural tissue of the central nervous system) is well formed. -
Third month
By the end of the third month of pregnancy, your baby is fully formed. Your baby has arms, hands, fingers, feet, and toes and can open and close its fists and mouth. 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). -
Fourth month
By the end of the fourth month, your baby is about 6 inches long and weighs about 4 ounces. You may begin to feel your baby move, since he or she is developing muscles and exercising them. This first movement is called quickening. -
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Second trimester
4th through 6th month of development -
Fifth month
Your baby's skin is covered with a whitish coating called vernix caseosa. This cheesy substance, thought to protect baby's skin from long exposure to the amniotic fluid, is shed just before birth. By the end of the fifth month of pregnancy, your baby is about 10 inches long and weighs from 1/2 to 1 pound. -
Sixth month
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. During the 6th month, your fetus starts to develop blood cells, taste buds, eyebrows and eyelashes. -
Seventh month
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). ... If born prematurely, your baby would probably survive after the seventh month of pregnancy. -
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Third trimester
7th through 9th month of development. -
Eighth month
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. Baby's brain is developing rapidly at this time, and he or she can see and hear. -
Ninth month
Baby is 19 to 20 inches long. The baby settles down lower in the abdomen to prepare for birth and may seem less active.His or her lungs are nearly fully developed. Your baby's reflexes are coordinated so he or she can blink, close the eyes, turn the head, grasp firmly, and respond to sounds, light, and touch. Your baby's position changes to prepare itself for labor and delivery. The baby drops down in your pelvis, and usually his or her head is facing down toward the birth canal. -
Birth
It involves three stages of labour the shortening and opening of the cervix, descent and birth of the baby, and the delivery of the placenta. -
Ovulation
Ovulation is the release of an egg, or ovum, which may then be fertilized by a sperm cell or dissolved during menstruation.
