Teen fathers possibly more likely than elderly men to have babies that have lower birth weight and a higher death rate. That reports comes from a study publish online in Human Reproduction. It’s one of few studies to focus on teenage fathers. The study included data on 2.8 million U.S. babies born from 1995 to 2000 to women in their 20s. The researchers focused on women in their 20s because they’re less likely than teen girls to have risky births.

Most of the babies were fathered by men in their 20s or 30s. But more than 28,000 babies were fathered by men younger than 20. Compared with babies fathered by men in their 20s, babies fathered by teens were more likely to have these risks:

* Preterm birth
* Less healthy at birth
* Small size for their gestational age
* Low birth weight
* Higher death rate from birth through their first birthday

The researchers aren’t blaming young fathers for those problems. The data do not show everything about the parents’ health, class, lifestyle, and other factors.

But biology might play a role, according to the researchers. Men younger than 25 are more likely than older men to have immature sperm, which “might be associated with an increased risk of adverse birth outcomes,” write Xi-Kuan Chen, MD, PhD, and colleagues. Chen works in the obstetrics and gynecology department at Canada’s University of Ottawa.

via medicinenet

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