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.
A dragon egg is an egg laid by a dragon as a means of reproduction of the species. Dragons have been known to lay eggs in a clutch of up to at least five. Whether an egg has to be fertilized by a male dragon in order to be fertile is not known. Dragons may have brooded their eggs.