Mercury is a worrisome element when it comes to consuming fish and potential problems with pregnancy. However, a woman would need to consume an exorbitant amount of mercury for it to result in any damage to the foetus, which cannot be achieved through eating tuna fish alone. Though to be on the safer side, many women cut down on seafood for the duration of pregnancy because of the potential risks.

At six months, a baby should recognize when someone says his or her name. By six months, a baby should also be babbling, making sounds like “oh”, “ah” or “eh”, responding to sounds parents make, and making noise when spoken to.

When fallopian tubes become damaged or blocked, they keep sperm from getting to the egg or block the passage of the fertilized egg into the uterus.

Being overweight or significantly underweight can affect hormone production and inhibit normal ovulation. Maintaining a healthy weight can increase the frequency of ovulation and likelihood of pregnancy.

Heavy drinking is associated with an increased risk of ovulation disorders — and some research has shown that even light drinking might reduce the likelihood of conceiving.

Antibiotic treatment may cure an infection of the reproductive tract, but doesn't always restore fertility. Your doctor may recommend hormone replacement or medication in cases where infertility is caused by high or low levels of certain hormones or problems with the way the body uses hormones. A varicocele can often be surgically corrected or an obstructed vas deferens repaired.