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What triggers menstruation the occur?
Menstruation is triggered by a drop in estrogen and progesterone levels, which signals the shedding of the uterine lining. This drop in hormone levels occurs when an egg released during ovulation is not fertilized. The decrease in hormone levels causes the blood vessels in the uterus to constrict, leading to the shedding of the uterine lining, resulting in menstruation.
What hormone is responsible for breast development and the onset of menstruation?
Estrogen is the hormone responsible for breast development and the onset of menstruation in females. It plays a crucial role in the development and maintenance of female reproductive tissues and secondary sexual characteristics.
Which endocrine structures control the cycle of menstruation?
The hypothalamus, pituitary gland, and ovaries are the primary endocrine structures that control the cycle of menstruation. The hypothalamus releases gonadotropin-releasing hormone (GnRH), which stimulates the pituitary gland to release follicle-stimulating hormone (FSH) and luteinizing hormone (LH). These hormones then act on the ovaries to regulate the menstrual cycle.
What occurs during the menstrual cycle?
During the menstrual cycle, the lining of the uterus thickens in preparation for a potential pregnancy. An egg is released from the ovary during ovulation which can be fertilized by sperm. If fertilization does not occur, the uterine lining is shed during menstruation.
What hormone causes a decrease in blood calcium levels?
Calcitonin is the hormone that causes a decrease in blood calcium levels by promoting its uptake and storage in bones.
What triggers menstruation the occur?
Menstruation is triggered by a drop in estrogen and progesterone levels, which signals the shedding of the uterine lining. This drop in hormone levels occurs when an egg released during ovulation is not fertilized. The decrease in hormone levels causes the blood vessels in the uterus to constrict, leading to the shedding of the uterine lining, resulting in menstruation.
What causes menstruation?
Estrogen is the main hormone responsible for a woman's period. Rising and falling estrogen levels cause the various stages of the menstrual cycle.
At the beginning of menstruation are hormone levels high or low?
Low
What do you call the hormone whose function is important for the occurrence of menstruation?
oestrogen
What hormone is responsible for breast development and the onset of menstruation?
Estrogen is the hormone responsible for breast development and the onset of menstruation in females. It plays a crucial role in the development and maintenance of female reproductive tissues and secondary sexual characteristics.
What female hormone is low during menstruation?
During menstruation, the female hormone estrogen is typically low compared to other phases of the menstrual cycle. Estrogen levels drop after ovulation if pregnancy does not occur, leading to the shedding of the uterine lining and the onset of menstruation.
What causes menstruation to smell?
AIDS
What causes a prolonged menstruation and rashes on arms and legs?
i have a rash sometimes in my menstruation;why is causin.g this
What does it mean when you are on your period for 5 to 6 weeks and you have had your tubes tied?
There can be several causes for excessive menstruation. Some of those causes are hormone imbalances, fibroids, ectopic pregnancy, and endometriosis. You should consult with your physician to determine the exact cause of prolonged periods.
What causes pregnancy before menstruation?
The same thing that causes pregnancy after menstruation: sex.
Which hormone peaks and causes ovulation?
luteinizing hormone
What causes fluid in the uterus when you have an IUD?
Menstruation
