Question 272 · LEK · Ovarian cancer

Indicate which of the factors below contribute to decreasing the risk of ovarian cancer and are thought to play a protective role:

1) multiparity;
2) combined hormonal contraceptive;
3) hormonal stimulation of ovulation;
4) ovarian puncture in the in vitro fertilization procedure.
The correct answer is:
  1. A. 2 only.
  2. B. 1,2.
  3. C. 1,2,3.
  4. D. all of the above.
  5. E. none of the above.
Hint

Protection comes from factors that reduce the lifetime number of ovulations.

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