A newborn baby should spend the majority of the day sleeping, waking every four hours or so to eat. If the baby is not waking on his own, or seems uninterested in eating regularly, it may be a sign of illness, and the baby should be inspected by the doctor.

Ultrasound scans are a fairly accurate way of determining your baby's sex from about 18 weeks of pregnancy.

Sexually transmitted infections — such as chlamydia and gonorrhea — are a leading cause of infertility for both men and women.

As well as increasing your risk of having an ectopic pregnancy.

NuvaRing is a small, flexible vaginal ring which you put in for 3 weeks, take it out, then put a new one in a week later.

You can always buy it over-the-counter or online without a prescription.