Infertility is the inability of a sexually active couple, not using any birth control, to get pregnant after one year of trying.
Infertility affects more than 3 million couples in the United States. About 40% of cases are due to female factors, 30% are due to male factors, 20% are a combination of both, and in about 10% the cause is unknown.
For pregnancy to occur, several things have to happen:
• An egg must develop in the woman’s ovary.
• The egg has to be released each month into the fallopian tube (ovulation).
• A man’s sperm must travel through the fallopian tube to meet and fertilize the egg (within 24 hours of ovulation for greatest success).
• The fertilized egg must be able to travel through the fallopian tube and attach (implant) in the lining of the uterus.
If any of these events does not happen or is disrupted, infertility will result.
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Resource:
The Hormone Foundation
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