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.
Antral Follicles and Your Ovarian Reserve. To understand how an antral follicle count [see video] ultrasound can tell you where you are on your biological clock, remember that approximately thirty to thirty-five eggs die every day. That is where the number of one thousand per month comes from.