Interactive Tools Fun tools to learn and play with. Sound Advice Expert answers to your questions. It is estimated that one in six couples face difficulties in conceiving. The chart below outlines the most common causes, typical treatments, and the percentages of couples who go on to become pregnant.
Percentages are variable since multiple problems can exist in a couple.
Read more about infertility treatments in our treatment chart . Painful menstrual periods, irregular or heavy bleeding, and possibly repeated miscarriages. Absent or infrequent periods, and excessively heavy or light bleeding. Poor egg quality Eggs that become damaged or develop chromosomal abnormalities can't sustain a pregnancy. Egg donation or surrogacy .