| 单词 | ovulation method of family planning |
| 释义 | ovulation method of family planning (extremely rare) n WORD FAMILY ovulation method of family planning n natural family planning in which the fertile period is inferred from changes in the character and quantity of cervical mucus; ovulation is marked by an increase in mucus that becomes sticky and then clearer and slippery Syn|Hyper ovulation method natural family planning any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle |
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