Does the male biological clock matter to you?

"By the time a woman hits 30, nearly all of her ovarian eggs are gone for good, according a new study that says women who put off childbearing for too long could have difficulty ever conceiving," according to a Good Morning America report.

Grim reports about the biological clock aren't just for women any more.

New studies have found that men face fertility problems as they age too. Babies conceived by older fathers have a higher chance of having autism or schizophrenia. And some research suggests that a father's habits and health affect their children and grandchildren's DNA.

Today, we'll talk about what the new research means for men and their plans for families.

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We'd love to hear from some young men. What age do you plan to have a child and how are you planning your life around it? Also, would you drink less, smoke less, and be healthier if you knew it would make a difference in the health of the child you might eventually have?

And women, what do you think of the research?

Robert McCartney, in the Washington Post, expressed skepticism that the new revelations will change much:

I'll believe the culture has changed for real when Hollywood makes a movie about a 35-year-old man desperate to get married because he's worried his sperm quality is deteriorating.

--Stephanie Curtis, social media host