Experts have warned about the dangers of having oral sex when pregnant.
Sexually transmitted infections (STIs) in pregnancy can cause serious problems for a baby, and can even be deadly, depending on the type of infection.
Getting gonorrhea and chlamydia when pregnant raises the risk of miscarriage. Passing on syphilis can cause organ damage in newborns while hepatitis B can cause liver disease.
The health risks from contracting a STI are greatest when a woman is in her third trimester, says a sexual health nurse.
Genital herpes is a major concern as getting it at this stage means there’s a 50 per cent chance your baby will get it at delivery.
The warning has come from Terri Warren, author of The Good News About The Bad News: Herpes: Everything You Need to Know.