When the H1N1 influenza blew through in the flu season of 2009-2010, some worried about an additional flu vaccine to get. Pregnant mothers who got jabbed may have helped their babies.

If a pregnant woman needs azithromycin , a common antibiotic for various infections, her dosage amount may be determined by her race.

Chlamydia is the most common and among the most easily treated sexually transmitted diseases, but barely over a third of sexually active women are screened for it each year.

Newborns who arrive early often face respiratory problems since their lungs may not yet be fully developed. A new drug approved by the FDA joins four others to treat these problems.

The flu vaccine can do more than protect a pregnant mother and her baby from the flu. It also appears to reduce the risk of having an underweight baby.

Young adults may not want to have children, but that doesn't seem to be affecting whether or not they use protection during sex.

Taking antiviral therapy medications - even at high dosages - is not sufficient to prevent the spread of genital herpes, even when symptoms are not present.

A vaccine to protect against herpes has shown some success for one strain of the virus, offering researchers hope that they're on the right path to a more comprehensive vaccine.

Feeling sick? It may be due to your monthly cycle. Spanish and Austrian researchers studied the effects of the sex hormone estradiol (which triggers ovulation) in mice.

Tuberculosis (TB) is a contagious bacterial infection that affects your lungs. It’s not very common in the U.S., only affecting about 11,000 Americans yearly. But there’s one group that may be more susceptible to TB: pregnant women.