How the concentration of Oestrogen can affect and control the development and release of an egg during the monthly cycle?
The oestrogen causes growth and repair of the lining of the uterus wall. Oestrogen inhibits FSH. When oestrogen rises to a high enough level it causes a surge in LH from the pituitary which causes ovulation where an egg is released from the follicle (Day 14 of the cycle).
What happens to estrogen levels during period?
Estrogen levels rise and fall twice during the menstrual cycle. Estrogen levels rise during the mid-follicular phase and then drop precipitously after ovulation. This is followed by a secondary rise in estrogen levels during the mid-luteal phase with a decrease at the end of the menstrual cycle.
How does estrogen affect the reproductive system?
Female reproductive system In females, estrogens affect the ovaries, vagina, fallopian tubes, uterus, and mammary glands. In the ovaries, estrogens help to stimulate the growth of the egg follicle; they also stimulate the pituitary gland in the brain to release hormones that assist in follicular development.
What does high levels of estrogen do to a woman?
High levels of estrogen can lead to weight gain, particularly around the hips and waist. Excess estrogen can also cause menstrual problems, such as: irregular periods. light spotting.
What does estrogen do to a woman’s body?
In females, it helps develop and maintain both the reproductive system and female characteristics, such as breasts and pubic hair. Estrogen contributes to cognitive health , bone health, the function of the cardiovascular system , and other essential bodily processes.
How does estrogen leave the body?
Estrogens are eliminated from the body by metabolic conversion to estrogenically inactive metabolites that are excreted in the urine and/or feces. The first step in the metabolism of estrogens is the hydroxylation catalyzed by cytochrome P450 (CYP) enzymes.