Birth
by: Elizabeth Morgan
The birth of an infant
is a wonderful process. The process takes place in stages as
described below.
By nature, the male organ ejects sperms and the female organ
produces eggs. Ovulation is the release of an egg from the ovaries.
Normally, in women who haven�t reached menopause, ovaries release
an egg once a month. This is known as ovulation. This egg travels
through the fallopian tube toward the uterus. When the male sperm
reaches the egg in the fallopian tube, fertilization occurs. The
fertilized egg continues its movement towards the uterus, implants
itself in the uterine wall and begins to develop into an embryo.
Embryo is the earliest manifestation of all humans. The woman
becomes pregnant, and it takes nearly 9 months, that is, three
trimesters of 12 weeks, for the infant to be born.
Pregnancy causes a number of changes in a woman�s body in the
first trimester (0 to 12 weeks). The very first change is the
absence of menstruation. Other symptoms include fatigue, nausea and
vomiting and enlarging breasts. However, a woman having these
symptoms isn�t necessarily pregnant. The surest way to confirm
pregnancy is a pregnancy test.
In the second (weeks 13 to 24) and third trimesters (weeks 25 to
delivery), a woman may experience additional symptoms including an
expanding abdomen, leg cramps, heartburn and hemorrhoids. These
symptoms and changes are due to pregnancy hormones and the fetal
growth. Although pregnancy involves a number of symptoms and changes
in a woman, there is no way to predict which symptoms a woman will
experience. Each pregnancy is different, even in the same woman.
By the end of the first trimester, the fetus is about three inches
long and weighs about half an ounce. By the end of the third
trimester, the fetus is about 20 inches long and weighs about seven
pounds.
The best person to discuss the changes and symptoms associated with
pregnancy is an obstetrician. The best source for further
information on pregnancy is Planned Parenthood Federation of
America. Its web address is www.plannedparenthood.org.
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