Kirar PDR ta ranar da aka tsara
Dalili don wannan hanyar ita ce ranar haihuwa. Yawan, wanda ya bar jaka a wannan lokaci, yana rayuwa a rana. Idan yarinya ta san ranar da take da jari-mace, ta sauƙaƙe ta lissafi. Yawancin lokaci ana samun cikakkun bayanai ɗin ga waɗanda suka riga sun shirya ciki. Ana taimakon su cikin wannan ta hanyar duban dan tayi, ƙananan zafin jiki, gwaje-gwaje na musamman. Ba daidai ba ne a yi imani cewa hadi dole ne faruwa a ranar jima'i. Spermatozoon zai iya zama mai yiwuwa a jikin mace na tsawon kwanaki.
Don koyon PDR ta ranar haihuwa, ya zama dole a gano lokacin da kwayar halitta ta faru a cikin juyayi na ƙarshe . Mafi sau da yawa yana cikin tsakiyar sake zagayowar, kodayake ƙaryatawa na iya yiwuwa a wurare daban daban. Har ila yau, wasu hankulansu da canje-canje a cikin jiki na iya yin shaida akan wannan:
- m fitarwa, wanda ya ƙara ƙaruwa a wannan lokaci;
- ciwo na ciki;
- ƙara libido.
Ƙidaya PDR ta ranar da zubar da ciki zai iya kasancewa, idan ka ƙara har zuwa ranar yaduwa kwanaki 280. Wasu suna kuskuren ƙara 9 watanni. Wannan ba daidai ba ne, tun lokacin da ciki ya kai watanni 10, watau kwanaki 280. Akwai kuma masu ƙididdigar layi na yau da kullum wanda ke taimakawa tare da waɗannan lissafin. Duk wanda zai iya amfani dashi. Ya isa isa shigar da kwanan watan jima'i da aka sa ran kuma shirin zai samar da sakamakon ta atomatik.
Amma yana da darajar yin la'akari da cewa PDR ta hanyar ranar haihuwa ba daidai bane, musamman ma lokacin yarinyar yarinyar bai kasance na yau da kullum ba.