infertility has many causes that involve either the woman's the man's or both partners' reproductive systems. some causes include: problems with the man's reproductive system. problems with the woman's fallopian tubes. problems with the woman's uterus and/or cervix. problems with ovulation. uncommon problems such as the man or woman having been exposed before birth to des a medicine that was used to prevent miscarriage. rates of infertility and miscarriage increase with age. a woman's fertility peaks in her late 20s and gradually begins to decline in her early 30s. a more pronounced drop in fertility and increase in miscarriage risk begins around her mid-30s primarily due to the aging egg supply. male fertility also decreases with age but it is a more gradual decline than in women. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what causes fertility problems?