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.
Shortly before birth, a female fetus has a few million immature eggs stored in her ovaries. Yet, by the onset of puberty, this number has already dwindled down to about 400,000. During the menstrual years, a woman will only release about 300 eggs.While each menstrual cycle usually sees the ovaries releasing one egg, what many women may not realize, though, is that their body actually prepares about 20 immature eggs every month for release.he First Weeks. The first day of your menstrual cycle is the first day of your period. At this time, your estrogen levels are at their lowest which sends a signal to your brain that more FSH is needed. As your body produces more FSH, about 20 egg follicles begin to mature.