Hanyar kalanda ta kariya daga ciki ya samo asali a cikin shekarun 1920 daga masanin gynecologist Ogino da Knaus Austrian. Hanyar ta dogara ne akan ƙididdige kwanan wata da aka ƙayyade mata da kuma abstinence daga jima'i a cikin kwanakin da suka fi dacewa don tsarawa. Hanyar kalanda ita ce ɗaya daga cikin mafi yawan wanda ba a iya dogara ba. Daga kashi 9 zuwa 40 cikin dari na mata masu amfani da wannan hanya suna zama ciki. Sabili da haka, an ci gaba da tsarin kariya na ci gaba da sauri - hanya mai nuna alama. Bugu da ƙari, yin lissafin kwanan watan haihuwa, yana la'akari da yanayin ilimin lissafi na mace.
Hanyar kalanda na Ogino-Knows
Wannan hanya ita ce hanya mafi kyau na kare kariya. An dogara ne kawai akan abubuwan lura da lissafi. Saboda matsakaicin matsanancin rashin tsangwama a cikin tsarin jiki, hanya na kalandar ita ce kawai hanya ta kariya da Ikilisiyar Roman Katolika ta amince.
Manufar hanyar ita ce kamar haka. Bayan yin jima'i a cikin farji, spermatozoa tsira ne kawai 'yan sa'o'i kadan. Kuma samun zuwa cervix suna aiki daga kwana 2 zuwa mako daya. Ovum in ovulation (fita daga ovary) za'a iya samuwa kawai cikin sa'o'i 24. Sanin farkon kwayar halitta, zaku iya shirin yin jima'i don haka ko da yake ba a yarda da ciki ba. Don samun nasarar amfani da yanayin kalandar Ogino-Knaus, ya zama dole ya cika kalandar tafiyar haɗuwa a cikin shekara. Duk da haka, wannan hanya ya dace da mata kawai tare da sake zagaye na yau da kullum. Ƙananan rashin cin nasara a cikin tsarin hormonal, rashin lafiya, damuwa mai juyayi na iya canza motsi na halayen mutum kuma haifar da kurakurai a lissafin. Kuma, saboda haka - zuwa ciki.
Ta hanyar hanyar Ogino-Knaus, zaka iya lissafta kwanakin "hatsari" (m don zanewa):
- An fara lissafin farkon "lokacin haɗari" (ƙananan) ta hanyar dabarar: tsawon lokaci mafi tsawo shine tsawon kwanaki 18;
- An ƙayyade ƙarshen zamani mai ma'ana ta hanyar dabarar: tsawon lokaci na tsawon lokaci shine kwana 11.
Alal misali, idan aka lura da gajeren lokaci na 12, ka lissafa cewa gajeren tsarin zagaye na tsawon kwanaki 26, kuma mafi tsawo shine kwanaki 32. Ya bayyana cewa daga ranakun 8 (26-18) zuwa kwana 21 (32-11) na sake zagayowar (kuma ranar farko ta sake zagayowar an dauki ranar farko na haila) sune mafi kyau ga zane. Idan makasudin shine ya kasance lafiya daga ciki, to, wadannan kwanannan ya wajaba don kaucewa yin jima'i, ko kuma a kiyaye shi a wasu hanyoyi. Kuma a madadin, daga 1 zuwa 8 days, da kuma daga 21 days zuwa karshen na sake zagayowar, wannan hanya ba za a iya kare.
Don kare wannan hanya ba shine mafi kyau ba. Amma don tsara shirin daukar ciki wannan hanya yana da matukar tasiri.
Hanyar kalandar alama
An sani cewa tare da sake zagayowar kwanaki 28, yaduwar kwayar halitta tana faruwa a ranar 14th na juyayi. Amma wannan darajar darajar. Ga mata da yawa, yanayin zagaye yana da bambanci, kuma kwayar halitta tana faruwa a ɗan lokaci kadan ko kadan daga baya. Tuna la'akari da rashin yiwuwar kariya daga ciki a cikin Ogino-Knaus, masana sun nuna ƙara kwanan watan haihuwa a cikin kalanda tare da wasu sigogi uku. Na farko shi ne kula da zafin jiki (hanyar zafin jiki). Na biyu shine iko na jijiyoyin ƙwayar magunguna wanda aka ɓoye daga cikin mahaifa (hanyar ƙwayar cuta). Na uku shine iko da canji a cikin matsayi na cervix, da taushi da budewa. Sakamakon waɗannan abubuwan da aka lura da su an rubuta su a cikin kalandar musamman, wanda ya sa kwanakin da suka fi aminci ga jima'i sun ƙaddara.
Harshen hanyar kalandar alama alama ce mai girma. Abu na biyu ne kawai don kammala cikawa. Tare da yin amfani da kyau, kawai mata 3 daga 1000 suna da ciki mara kyau (0.3%!). Wannan ya zama daidai da hanyar hormonal kuma yafi girma fiye da sauran hanyoyin maganin hana haihuwa. Duk da haka, wannan hanya bata kare kariya daga cututtuka na genital. Don samun nasarar aikace-aikace na hanyar alamar alama, yana da muhimmanci a kula da yanayinka a kullum. Don lurawa yana ɗaukar kimanin minti 10 a rana. Hanyar da farko yana da wuya da kuma kafin aikace-aikacensa an bada shawarar bada horo.