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प्रश्न
State the names of four hormones which control menstrual cycle.
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उत्तर
Menstrual cycle is controlled by four hormones:
- Follicle-stimulating hormone (FSH),
- Luteinizing hormone (LH),
- Estrogen and
- Progesterone
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संबंधित प्रश्न
Describe the changes that occur in ovaries and uterus in human female during the reproductive cycle.
What is menstrual cycle?
Why is follicular phase in the menstrual cycle also referred as proliferative phase? Explain.
Draw a graafian follicle and label antrum and secondary oocyte.
the Biological/technical term for Complete stoppage of menstrual cycle in females
What is menstrual cycle? Describe it in brief.
Briefly describe the secretory phase of the menstrual cycle.
Explain the menstruation phases in the menstrual cycle of a human female.
Give Reasons
The chances of pregnancy to occur are most favourable on or about the 14th day of the menstrual cycle. Explain.
Read the following passage and answer the question that follows:
Rahini and her parents were watching a television program. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.
List out the napkin hygiene measures taken during menstruation?
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Lack of which hormone results in menstrual flow?
All occur during follicular phase of menstrual cycle, EXCEPT
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To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.
The peak observed in Subject 1 and 2 is due to ______
A biology student after studying the different levels of hormones during the menstrual cycle was comparing 2 subjects (Patients). A table was created after looking at the levels of hormones A and B for Subjects 1 and 2. Read the information in the table and answer the question that follows.
| HORMONE A | HORMONE B | |
| Subject 1 | Shows a peak on the 14th Day of the menstrual cycle. | Falls down during the luteal phase. |
| Subject 2 | Shows a peak on the 14th Day of the menstrual cycle. | The level is maintained high in the luteal phase. |
The peak observed in Subject 1 and 2 is due to ______
A biology student after studying the different levels of hormones during the menstrual cycle was comparing 2 subjects (Patients). A table was created after looking at the levels of hormones A and B for Subjects 1 and 2. Read the information in the table and answer the question that follows.
| HORMONE A | HORMONE B | |
| Subject 1 | Shows a peak on the 14th Day of the menstrual cycle. | Falls down during the luteal phase. |
| Subject 2 | Shows a peak on the 14th Day of the menstrual cycle. | The level is maintained high in the luteal phase. |
For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?
Menstrual flow occurs due to lack of ______.
The secretory phase in the human menstrual cycle is also called:
What groups of animals exhibit the menstrual cycle?
