Female fertility begins to decline many years prior to menopause despite regular ovulatory cycles. A woman’s fertility peaks in her mid-20’s and drops off more steeply after age 35. There are many different reasons why a woman may not conceive a baby.
In about half of the couples who trying to conceive, male infertility plays a role. Male Infertility may be due to low sperm production, low motility, or morphology. There may also be blockages that prevent the delivery of sperm.
Study finds that pollution in our air can do more than hurt our lungs, it could also affect a man's fertility, according to a study done by researchers from Keck School of Medicine at University of Southern California.