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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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27. Reasons for overpopulation, contraceptives and their principle

Choose the correct answer:

[Note: Choose all the correct options, there may be one more correct options]

1. Which of the following statements is not the reasons for population explosion?

2. Which of the following statements is/are false about lactational amenorrhea?

After parturition, there is no menstrual cycle and thus there is no ovulation in the females
This method is effective only up to a period of six months after the childbirth
After parturition, there is menstrual cycle in the females
This method is effective only up to a period of one year after the childbirth

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