Monthly Fetus Growth
The average gestational period for a woman is about 40 weeks, or approximately nine months. The pregnancy is divided into three trimesters, each of which is three months in duration. Developmental milestones are reached in each trimester.
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Zygote
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The first cell of life is known as a zygote. A zygote is the product of a sperm fertilizing an egg, which occurs in one of the woman's fallopian tubes.
Embryo
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Once the zygote is implanted in the lining of the uterus, it becomes an embryo. The embryo will form the basis for both the placenta and the baby.
First Trimester
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During the first trimester, the embryo's circulatory and nervous systems will develop, as will the brain and facial features.
Second Trimester
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The second trimester marks the beginning of the fetal stage of development. In this stage, the genitalia, ears, fingers and toes are forming. Expectant mothers can usually feel fetal movements.
Third Trimester
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In the third trimester, the fetus' lungs will develop and its eyes will open and close. The unborn child will put on weight rapidly during this stage.
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Some mothers can expect a bigger bundle of joy than expected when the big day arrives. In a singleton birth, the average newborn weighs between 5.5 and 9 pounds. Mothers expecting larger than average babies may have to undergo a cesarean section to r
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Its possible to experience cramping before your first missed period and still be pregnant. Heres why:* Early Pregnancy Symptoms: Many women experience cramping in early pregnancy, often described as similar to menstrual cramps. This is due to the gro
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The third trimester of pregnancy---from 28 weeks until your baby is delivered---is a challenging time for expectant women, particularly with regard to pain. As your babys size increases drastically, you will find your body becoming more uncomfortable
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