Studies have found a relationship between women who have obstructive sleep apnoea and smaller babies. The reason for this lies in the fact that sleep apnoea causes an obstruction of oxygen, which in turn means less oxygen reaches the baby. Though women who snore should not panic, as further research is needed to give more credence to this case of causation.

Some unlucky women experience the onset of morning sickness earlier, at around 4 weeks, but on average women will start to experience the symptoms of morning sickness at week 6.

A study published out of Denmark found that a woman who drinks 1 to 2 alcoholic beverages per week had around 1.5 times the likelihood of suffering through a miscarriage in comparison to non drinking women. This Danish study also discovered that even a single alcoholic drink can increase the risk of miscarriage. This means that in regards to alcohol it’s better to be safer than sorry, meaning zero alcohol should be consumed for at least the first four months of pregnancy.

Pregnancy is technically only possible during the five days before ovulation through to the day of ovulation.

Endometriosis occurs when tissue that normally grows in the uterus implants and grows in other locations. This extra tissue growth — and the surgical removal of it — can cause scarring, which may obstruct the tube and keep the egg and sperm from uniting.

Types of non-hormonal contraception that prevent pregnancy include diaphragms, caps and also copper-bearing intrauterine device (CU-IUD). Non-hormonal methods prevent pregnancy by preventing the sperm and egg from meeting.