This may sound like an old wives tale, but research has found some scientific basis in this causation. The study, which was carried out at John Hopkins Hospital in Baltimore, found that from a group of 64 women 82 percent experienced heartburn and ended up delivering hairy babies.

Baby acne is common for newborns. It typically looks like small, red or white bumps on your baby’s face. It will usually clear up within a few months. A physician can confirm if the bumps are baby acne just by looking at your baby’s skin.

Ectopic pregnancy is any pregnancy in which the fertilized ovum implants outside the intrauterine cavity.

Two crucial nutrients, folic acid and iron, are always included in prenatal vitamins because most pregnant women don't get enough of them from food alone.

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.

The risk of high blood pressure during pregnancy is about double for women over 35 compared with younger ones; hypertension affects about 10 to 20 percent of pregnant women in this age group. Gestational diabetes is two to three times more common in women over age 35 than in younger women, and recent studies show the risk is even higher if the woman has gained weight over the years. Age 35 to 39 is also when women are most likely to have twins.