What is the main trigger for the “LH surge”?

Q: What is menstrual cycle? Which hormones regulate menstrual cycle?

A: Reproductive system is involved in sexual reproduction. The male and female reproductive systems…

Q: What is nidation? In whichphase of the menstrual cycledoes nidation occur?

A: The female reproductive system in mammals involves structures and organs that are involved in the…

Q: What does GH act on?

A: Growth hormone is a peptide hormone composed of 190 amino acids that are mainly involved in the…

Q: How Many Sperms Will Be Produced From 10 Primary Spermatocytes?

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: What happens when CRH reaches the pituitary?

A: CRH:           CRH ~ Corticotropin-releasing hormone                      A peptide hormone that…

Q: What changes occur in ovaries during menstrual cycle?

A: The ovaries are paired ova organs. They are present within the pelvic cavity lateral to the uterus.

Q: What is the main stimulus for the secretory phase of the endometrium?

A: Endometrium is the inner lining of uterus made of columnar epithelial cells. Its part of female…

Q: Discuss the actions of testosterone.

A: The endocrine system commands and coordinates the complex actions of the body by secreting chemical…

Q: What happens to the endometrium during the proliferative phase of the menstrual cycle?

A: The menstrual cycle is also known as the uterine cycle. In this cycle, the uterus endometrium layer…

Q: Name the hormones secreted by the placenta.

A: The placenta is an organ that develops in uterus during pregnancy.  The placenta is the interface…

Q: What does the oestrogen do in COCs?

A: Oral contraceptives (birth-control pills) are used to prevent pregnancy. Estrogen and progestin are…

Q: Explain separation of the actions of FSH and LH?

A: Hypophysis will be altered at the time of pregnancy. The level of Progesterone and Estrogen will…

Q: What are the Predisposing factors or causes of UTERINE RUPTURE?

A: Complete disruption of all uterine layers, including the serosa, leading to changes in maternal or…

Q: which two phases the menstrual cycle may be divided?

A: The menstrual cycle is the cyclic sequence of events that occur in females each month after…

Q: What event marks thebeginning of the menstrualcycle? What is the bloodconcentration of FSH,…

A: EVENT MARKS THE BEGINNING OF THE MENSTRUAL CYCLE; 1.If the egg does not become fertilized during…

Q: How will the feedback mechanism in the menstrual cycle responds if there is a high level of…

A: Introduction: Menstrual cycle is the monthly cycle of changes in the ovaries and lining of the…

Q: What does GH trigger the release of?

A: There is a system in the human body that is responsible for the secretion of some chemicals that act…

Q: What happens in postmenopause?

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

Q: Which are the two hormones act upon the gonads?

A: Male and female gonads are the primary sexual organs. These reproductive system organs are…

Q: What is the state of gonadotropin secretion during pregnancy,and what is the cause?

A: During the time of pregnancy, there are several hormones released by the placenta and ovary for the…

Q: What is G1 (first gap) phase.

A: The cell division process is required in the body for a wide variety of purposes like Growth,…

Q: How do levels of hormone vary in the different phases of the menstrual cycle? Explain each hormone.

A: The female reproductive system comprises the uterus, ovary, fallopian tube, vagina, vulva. This…

Q: What is parthenogenesis ?

A: Reproduction is the process that ensures the continuity of species on earth. It is the main feature…

Q: Which cells secrete testosterone?

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: What anterior pituitary gland disorder can cause a decrease in menstrual cycle frequency and loss of…

A: The pituitary gland is the most prominent gland located in the brain. The gland produces more…

Q: Which factors is in initiating parturition remains unclear?

A: Parturition is the process of giving birth to the baby. It is also called labor.

Q: Which structures are responsible for maintaining levels of estrogen in during pregnancy?

A: In spite of the fact that progesterone dominates all through pregnancy, estrogen is likewise vital.…

Q: would the LH surge begin? When would Anita have her highest levels of progesterone? When would…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: What hormones does the placenta produce?

A: The placenta is a flattened circular organ in the uterus of pregnant mammals, which nourishes and…

Q: What is the first hormone secreted that prevents a menstrual cycle, thereby blocking removal of an…

A: The eggs which are released by ovulation by the ovaries are funelled into the fallopian tubes by…

Q: what hormones suppress GnRH, FSH,and LH production in the follicular phase?

A: The GnRH, FSH, and LH are involved in the process of reproduction. FSH = Follicle-Stimulating…

Q: Which of the following changes is most likely to occur as an immediate result of an injection of LH…

A: an increase in production of testosterone.

Q: ova during menstruation?

A: Introduction : There are two different kinds of sex cells, often known as gametes, that are involved…

Q: During pregnancy, under what conditions is Rh incompatibility a problem. List the mother's blood…

A: During pregnancy when a Rh -ve mother has Rh+ve fetus it shows incompatibilty.

Q: How will the feedback mechanism in the menstrual cycle responds if there is a high level of…

A: A feedback mechanism or feedback loop is a physiological regulation system in a living body that…

Q: What is the relationshipbetween the estrogen leveland the LH level in themenstrual cycle? What is…

A: Step 1 The menstrual cycle is regular recurring physiological changes. It is found in the human…

Q: How does parthenogenesis occur?

A: A reproduction is a biological process, the formation of offspring for their parents. The…

Q: Why do anovulatory cycles lead to dysfunctional uterine bleeding?

A: Introduction In human females they have menstrual cycle which is a cyclical change which occurs…

Q: What is the phenotype of GG?

A: Phenotype It is the term used in genetics for the observable characteristics or traits of an…

Q: what hormones suppress GnRH, FSH and LH production in the luteal stage?

A: INTRODUCTION Luteal stage Leuteal stage is one of the stage in menstrual cycle. This stage usually…

Q: How does the decreased V/Q ratio develop?

A: The ventilation/perfusion ratio (V/Q ratio) is a respiratory physiology ratio used to assess the…

Q: Which hormone is correlated with the thickening of the endometrium?

A: Ovary is the primary female reproductive organ which is responsible for the production of female…

Q: What is the difference between the anterior and posterior determinant for the oocyte?

A: The difference in the anterior and posterior parts of an embryo is due to the difference between the…

Q: What triggers menstruation?

A: Menstruation is considered the healthy life cycle of women which is influenced by two hormones…

Q: Why Does Menstruation Occrur?

A: Menstruation is normal vaginal bleeding and is a regular event occurring in women. It is a part of…

Q: Define oestrus cycle.

A: Sexual reproduction in most mammals is regulated by endocrine changes by secretion and inhibition of…

Q: Which cells produce testosterone?

A: Introduction Testosterone is male sex hormone which controls secondary sexual characters and other…