What is Ovulation?
Ovulation is the release of an egg from ovaries.
The highest possibility for a woman to become pregnant are the few days
before and after ovulation.
The female body makes a substance called Luteinizing Hormone (LH) that
triggers the release of the egg. During most of your menstrual cycle, your
body manufactures small amounts of LH. But around the middle of your cycle,
your body suddenly increases the amount of the LH for a few days. This sudden
increase is called the "LH surge", and it usually causes the female body
to ovulate.
Ovulation usually take place within 40 hours after the LH surge begins. You
may not have an LH surge or might not ovulate every menstrual cycle. Even if
your menstrual bleeding begins on time, that does not necessarily mean that
your body has ovulated.
After ovulation, the amount of LH in your body will return to normal level
within 2 days. Unless pregnancy occurs, the cycle of increase and decrease
of LH will repeat again after your menstrual period ends.
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