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This definition not quite complete, because women who are able to get pregnant but then have repeat miscarriages are also said to be infertile. Thus, if a woman keeps having miscarriages, her condition is also called infertility.
People are often silent about this, although lots of couples have infertility problems. In about one third of cases, the woman is the cause of a couple’s infertility, while in another third of cases, it’s because of the man. The last third represents the unknown causes. What treatments are available against infertility today? Medications and surgery are most commonly used, and effective in almost two thirds of the cases.
Conditions required for pregnancy
Pregnancy is a very complex process which requires that several anatomical structures, in both man and woman, are healthy and fully functional. In order to stay pregnant, several things must happen:
- Ovulation must take place, which means that a woman must release an egg from one of her ovaries
- This released egg must pass all along the fallopian tube toward the uterus
- On the other side, a man's spermatozoid must fertilize the egg
- After this happens the fertilized egg must be implanted on the inside of the uterus
Infertility can result from problems that interfere with any of these steps. Everything must be in perfect order for pregnancy to take place. Most pregnancies occur during the first six cycles of intercourse in the fertile phase, which can be translated into the fact that, after 12 months of unprotected intercourse, approximately 85 percent of couples will become pregnant.