Sometimes, a small sample of tissue may be taken with small tools inserted through the vagina during a transvaginal ultrasound. In all three types of pelvic ultrasound, the transducer sends the reflected sound waves to a computer, which makes them into a picture that is shown on a video screen.
Before birth, a fetus starts with around 2 million eggs in each ovary. Those eggs are trimmed down over time, and a girl is born with around 300,000 eggs in each ovary. She â¦normally releases 1 egg a month during her fertile years.
Normally, a woman normally releases ONE egg per menstrual cycle. On occasion, a woman will release two, which would result in fraternal twins if both eggs are fertilized. woman's egg supply peaks before she herself is born, with at least 7 million eggs packed into the fetal ovary. By birth the number dwindles to a million, and then drops to 3 â¦ 00,000 by puberty, And not all matures.