What is oestradiol?
Q: What is oestradiol?
A: Oestradiol is an oestrogen, a steroidal hormone mainly secreted by the ovaries and is a main female hormone.
Q: What are the functions of oestradiol in females?
A: Oestradiol regulates female characteristics, the maturation of female sex organs, the oestrus and menstrual cycle, and stimulates the production of mammary glands.
Q: How do the serum concentrations of oestradiol and other female hormones change during the menstrual cycle?
A: The serum concentrations of oestradiol and other female hormones change throughout the menstrual cycle.
Q: What happens to the serum concentrations of oestradiol during gestation?
A: During gestation, there is a high serum concentration of oestradiol E3.
Q: What happens to the serum concentrations of oestrone during menopause?
A: During menopause, oestrone has the higher concentration.
Q: How does oestradiol affect bone formation?
A: Oestradiol has a big effect on bone formation. Women past menopause have an accelerated loss of bone because they have less oestrogen.
Q: Does Oestradiol have any functions in males?
A: Yes, oestradiol also has some functions in males but at a much lower level. Its serum concentration in men is < 35 pg/mL, equivalent to that seen in post-menopausal women.