Ovulation method of family planning/ˌoʊvjəlˈeɪʃənmˈɛθədəvfˈæməliplˈænɪŋ/Listen
Ovulation method of family planning
noun
1.
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. Synonym:ovulation method.