If you are pregnant, sexually transmitted infections (STIs) can cause serious problems for you and your baby. See how STIs are diagnosed and treated.

Chlamydia is a bacterial sexually transmitted infection (STI) which affects both men and women. Chlamydia during pregnancy can also cause a number of issues.

Almost all women have more vaginal discharge in pregnancy as it helps prevent any infections travelling up from the vagina to the womb.

Microcephaly is a rare condition. It can cause mild to severe developmental issues. Read how it affects pregnancy and is linked to Zika virus.

Information on living with HIV during your pregnancy and planning for pregnancy.

Hepatitis B is a viral infection that can damage the liver. It can be passed from mother to baby during birth so pregnant women are routinely tested.

Many people take time to fall pregnant, but infertility is when a woman doesn't fall pregnant after having 12 months of regular unprotected sex.

Although it usually causes no concern, group B streptococcus is a type of bacteria that can lead to complications during childbirth. Learn more about the group strep B test.

A urinary tract infection (UTI) is the most common bacterial infection women get in pregnancy, but there are ways to lower the risk of developing one.

There are different tests available to determine your fertility, and a number of fertility treatments available to both and your partner if you are struggling to fall pregnant.