One key to preventing the spread of any infectious disease is teaching people how to avoid giving it to others. But when it comes to HIV, there is often confusion about this.

As if low-income, HIV-positive, pregnant women don't have enough on their plates, many also have to contend with depression - though it's possible not enough doctors are noticing.

What's worse than morning sickness? How about having the flu while pregnant too? But getting your flu shot while pregnant might do more good than just preventing this miserable outcome.

Not enough pregnant women are being screened for the two most common sexually transmitted diseases in the United States, chlamydia and gonorrhea, putting themselves and their newborns at risk.

Women with HIV or chronic Hepatitis B may take Viread , whose generic name is tenofovir , for treatment. They can safely continue this treatment if they get pregnant.

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.

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.

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.