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.
At birth, each woman has about 1,000,000 eggs available for fertilization. Only a small minority of these eggs will have the proper quality for fertilization. Egg Quantity as You Age As you age, the number of eggs in your ovaries begins to decrease. woman of 40 typically has lower egg quality than a woman of 20. This is not to say that your eggs are of poor quality just because you're aging. Many younger women have poor quality eggs while some older women have very high quality eggs.