fertile phase fertile period • fertilisation · · · Info · Definitions · Synonyms · Characters · · fertile phase · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) the time in the menstrual cycle when fertilization is most likely to be possible (7 days before to 7 days after ovulation). Synonyms: fertile period, fertile phase. · · Noun Definition 1 Synonyms · · · fertile period · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074