Both mares' ovaries start producing egg follicles at the same rate.

When clomiphene (Clomid) treatment has not stimulated egg follicles to develop on the ovaries.

Menopause happens because, through technology, we've extended our lives to the point where we run out of egg follicles.

Doctors have found that a few days before ovulation, as many as 30 to 50 egg follicles have begun to mature.

Studies of stillborn infants have revealed that the estrogen does indeed hyperstimulate the ovaries, sometimes causing the egg follicles to enlarge to almost cyst-like proportions.

A luteal, or corpus luteum, cyst occurs when the remains of the egg follicle do not dissolve and continue to swell with fluid.

The presence of the parasite induces apoptosis of the egg follicles.

Irritation: At the time of ovulation, blood or other fluid is released from the ruptured egg follicle.

For developing multiple egg follicles on the ovaries.

Then, with surprising force, he jabbed the needle into an egg follicle.