safe day
A day that is believed to be safe for having unprotected sex without resulting in pregnancy, based on the woman's menstrual cycle.
present participle of Tyndallize
(organic chemistry) Any of several octyl isomers that have a sidechain, but especially 6-methyl-heptyl
plural of Riedinger
彼女は避妊不要とされる日をカレンダーに印をつけて、パートナーと計画について話し合った。
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DiQt
Free
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