The graph above shows the estrogen and progesterone levels of an individual during a menstrual cycle of 28 days. The top light blue line indicates the progesterone levels and the bottom purple line indicates the estrogen levels.

Q: True or False The stimulus for the initiation of menses is the LH surge.

A: Menstrual cycle is regulated by induction of different hormones from hypothalamus, adenohypophysis…

Q: Put each of the following into the category it belongs with respect to the menstrual cycle. Time…

A: The proliferative phase occurs in the first half of the menstrual cycle. It spans from days 6 to 13,…

Q: Describe the hormonal control of spermatogenesis in terms of the hypothalamic-pituitarygonadal axis…

A: The process of sperm cell formation is called spermatogenesis. To create spermatozoa, rounded…

Q: At the midpoint of the menstrual cycle, estrogen promotes a sudden surge of LH from the pituitary.…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

Q: Which of the following statements accurately describes the pathogenesis of polycystic ovarian…

A: PCOS is the polycystic ovarian syndrome which is recognized by the multiple ovarian cysts which are…

Q: Why does the body temperature increase during the second half of the menstrual cycle?

A: In the female reproductive system, the menstrual cycle is the regular natural change that occurs…

Q: Cyclical function of the female reproductive system is menorrhea, the normal discharge of blood and…

A: Female reproductive system consists of internal organs, external organs and accessory organ.Internal…

Q: 1. What hormone is released by the hypothalamus to regulate the anterior pituitary? 2. What hormones…

A: Note: “As per our Q&A guidelines, we can answer one question at a time, but i have answered…

Q: Which of the following is NOT TRUE? A) Menopause is marked by elevated levels of gonadotropins. B) A…

A: Menstruation: Menstruation is the periodic or cyclic discharge from the uterus through the vagina of…

Q: People with androgen insensitivity syndrome show developmental abnormalities. Which of the following…

A: Androgen insensitivity syndrome - Androgen insensitivity syndrome (AIS) is when a person who is…

Q: Which of the following rows correctly describes the hormone levels during ovulation? Select one: a.…

A: Ovulation can be defined as the phenomenon in which an egg is released from the ovary in females.…

Q: Normally deterioration of the endometrium begins when: blood levels of FSH increase blood levels of…

A: The maturation of the ovum takes place when the anterior pituitary gland secretes the FSH (follicle…

Q: What is the menstrual cycle? Name the Hormones which control the menstrual cycle.

A: Step 1 In relation to reproduction, the life cycle of an individual is divisible into three phases –…

Q: A deficiency in estrogen during the follicular phase will result in: 1) A failure of embryo…

A: Estrogen:  The female reproductive system and secondary sex traits are developed and regulated by a…

Q: nfertility is defined as the inability to get pregnant despite having frequent, unprotected sex for…

A: Doctors advise a test which measures the level of progesterone hormone in the blood. Ovaries need to…

Q: Use the list to select a gonadotropic hormone, the structure it stimulates in the ovaries, and the…

A: In females, the reproductive system is composed of internal and external organs and it helps in the…

Q: Ann is midway through the luteal phase of her ovarian menstrual cycle. If she wishes to get…

A: The cycle of events taking place in the female reproductive system is known as the menstrual cycle.…

Q: Using the following hormone choices, which of the following puts the hormones of the female…

A: ANS:   A, B, E, C, A, D HORMONAL LEVEL CHANGES IN EVERY TIME.

Q: Which of the following statements is true?   Genetics play no role in endometriosis.   Women who…

A: Endometriosis is a painful condition in which tissue that is identical to the tissue that lines the…

Q: Right before the ovulation, the maturate follicle secretes high levels of estrogen which switches…

A: Estrogen, is a category of sex hormone responsible for the development and regulation of the female…

Q: Within a single menstrual cycle, what is the approximate day of ovulation?

A: At the age of puberty, every young woman starts to ovulate. This is the period when the ovum matures…

Q: The endometrium thickens during the uterine cycle, but disintegrates if the egg is not fertilized.…

A: Menstrual cycle is the cycle of changes in hormone levels and endometrial lining of female…

Q: Oestrogen, follicle-stimulating hormone (FSH) and luteinising hormone (LH) works together to…

A: The endocrine system collaborates with the neurological system to keep the body in a state of…