While not as significant as that of women, we men seem have a biological clock as well. With all due respect, personally, I do not think that pinning things entirely women is a healthy attitude.
"A 2014 study had experts suggesting that the debate based on mixed evidence whether a father’s age is linked to his child’s vulnerability to individual disorders like autism and schizophrenia had been settled.[6][7] The result being that "Men have a biological clock of sorts because of random mutations in sperm over time". Dr. Patrick F. Sullivan, a professor of genetics at the University of North Carolina, who was not involved in the study said "This is the best paper I’ve seen on this topic, and it suggests several lines of inquiry into mental illness"."
"A 2014 study had experts suggesting that the debate based on mixed evidence whether a father’s age is linked to his child’s vulnerability to individual disorders like autism and schizophrenia had been settled.[6][7] The result being that "Men have a biological clock of sorts because of random mutations in sperm over time". Dr. Patrick F. Sullivan, a professor of genetics at the University of North Carolina, who was not involved in the study said "This is the best paper I’ve seen on this topic, and it suggests several lines of inquiry into mental illness"."
http://en.wikipedia.org/wiki/Paternal_age_effect