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.

By six months old a baby’s muscles should have strengthened, and they should have mastered the ability to roll over, even several times at once.

By 18 months, babies should have a simple imagination, and be able to play independently with toys, mimicking behaviors they are accustomed to, such as feeding dolls, playing with pretend kitchens or food, or playing with pretend animals.

A woman is born with all of the eggs she will ever have so as she ages, she has fewer eggs and the percentage of genetically normal eggs declines.

Use of injectable fertility drugs to induce ovulation can cause OHSS, in which your ovaries become swollen and painful.

30-50% of individuals presenting with infertility have endometriosis.