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In the late maturation follicular phase, the dominant follicle level secretion of estrogen crosses a certain threshold stimulating Luteinizing Hormone (LH) secretion, which in turn stimulates more estrogen production by the follicle. The result is a rapid increase in LH secretion, the LH surge, and therefore triggers the rupture of the dominant follicle, in other words, ovulation.
What else can I help you with?
The menstrual cycle's hormone levels are shown below. Which hormone is least active while ovulation is occurring?
Progesterone
What is a rise in the blood levels of follicle stimulating hormone at the beginning of the ovarian cycle responsible for?
no. a surge in LH during the middle of the ovarian cycle is responsible for ovulation.
What anterior pituitary hormone causes the enlarged ovarian follicle to rupture and release a mature ovum?
Luteinizing hormone (LH) is the anterior pituitary hormone that causes the enlarged ovarian follicle to rupture and release a mature ovum during ovulation.
How does the hormone FSH fluctuate throughout the menstrual cycle and what role does it play in regulating ovulation and the development of ovarian follicles?
During the menstrual cycle, the hormone FSH (follicle-stimulating hormone) fluctuates by increasing at the beginning of the cycle to stimulate the growth and development of ovarian follicles. This hormone is crucial in regulating ovulation by promoting the maturation of the egg within the follicle. As the follicle grows, it produces estrogen, which in turn inhibits FSH production. When estrogen levels peak, it triggers a surge in another hormone called LH (luteinizing hormone), which leads to ovulation. FSH levels then decrease until the next cycle begins.
What are the hormones that cause ovulation in the female reproductive system?
The hormones that cause ovulation in the female reproductive system are luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are produced by the pituitary gland. These hormones stimulate the release of an egg from the ovary during the menstrual cycle.
How does the growth of a follicle during the menstrual cycle impact ovulation and fertility?
During the menstrual cycle, the growth of a follicle is essential for ovulation and fertility. As the follicle grows, it releases hormones that trigger ovulation, the release of an egg from the ovary. If the follicle does not grow properly or release the egg, it can affect fertility by preventing conception.
Can one follicle release two eggs during ovulation?
Yes, it is possible for one follicle to release two eggs during ovulation, a phenomenon known as "double ovulation." This can result in the conception of fraternal twins.
What happens to the follicle during the first 14 days that you plotted?
During the first 14 days of the menstrual cycle, the follicle undergoes growth and development in the ovary until it reaches maturity. This process is stimulated by hormones such as follicle-stimulating hormone (FSH). Around day 14, the mature follicle releases an egg in a process called ovulation.
What hormone is at its peak during ovulation?
That is LH Luteinising hormone.
What is adrenlinie?
Its a hormone secreted by adrenal glands. Its secreted during anxiety and excitement. It secreted when ACTH hormone is secreted by pituitary gland in brain. chemically, it is sterol(=steroid) i.e. Derivative of lipids.
What prepare an ovum for ovulation?
The preparation of an ovum for ovulation involves several hormonal and physiological processes. Follicle-stimulating hormone (FSH) stimulates the growth and maturation of ovarian follicles, each containing an ovum. As the follicles develop, they produce estrogen, which triggers the luteinizing hormone (LH) surge that ultimately leads to ovulation, the release of the mature ovum from the follicle. This entire process occurs during the menstrual cycle, typically around the midpoint, in response to hormonal signals.
What stops ovulation during pregnancy?
Ovulation ceases during pregnancy because the circulating levels of estrogen and progesterone are high and this inhibits the release of follicle stimulating hormone (which is necessary for ovulation.)
