Definition of Infertility
# Pregnancy occurs when a man's sperm and a woman's egg fertilize and implant in the uterus.
# Necessary conditions o Men must produce healthy sperm. o Women's ovaries must produce mature eggs. o Sperm must migrate toward the womb and fertilize the egg in the fallopian tube. o The fertilized egg must move from the fallopian tubes to the uterine lining (membrane) and implant in the uterine wall.
Pregnancy will not occur unless all of these conditions are met.
# Definition of infertility
# Infertility is the condition in which a healthy couple of childbearing age cannot conceive for more than a year, despite having a normal sex life and not using any contraceptives. Usually 70-80% of couples that do not use any birth control conceive within a year and 80-90% conceive within 2 years.
Primary factors affecting fertility
# Woman's age: If the woman is 25 years old and the husband is of similar age, then there is a 50% chance that the couple will conceive within 5 months. After age 35, the ability to become pregnant decreases noticeably; after menopause the ability to conceive disappears completely.
# Man's age: Pregnancy rates for men are best when he is 25 years old, and decrease considerably after age 45. However, unlike women, men still have the ability to fertilize in senescence.