Unless there are special circumstances or a specific recommendation advising against it, exercise is fine. In fact, it is highly recommended pregnant women remain relatively active. Some popular activities include prenatal yoga, swimming or walking.

Seafood in moderation is fine, but there are certain kinds of fish that should be avoided during pregnancy. Mackerel, swordfish and shark are very rich in mercury, an element that should only be taken in very small amounts while pregnant, as it has been linked to birth defects.

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

Fibroids can contribute to infertility and are found in 5% to 10% of infertile women.

Causes of implantation failure include  genetic defects, thin endometrium, embryonic defects and endometriosis.

There are different types and sizes of IUD and they can work for between 5 and 10 years depending on the type.