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Question
The onset of menstruation in women is called ______.
Options
Parturition
Menopause
Ovulation
Menarche
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Solution
The onset of menstruation in women is called menarche.
Explanation:
Menarche is the onset of menstruation in women.
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Give a significant point of difference between the oestrous and menstrual cycles.
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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. |
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