Kalandar obstetric na ciki a halin yanzu yana ƙidayar, a matsayin mai mulkin, daga ranar ƙarshe ta ciki ta baya na juyayi. A wannan lokaci ba a yi amfani da ovum ba, kamar yadda tsarin maturation ya fara. Nan da nan hawan haɗuwa yakan auku bayan da aka sake yadu a cikin kogin peritoneal - kwayoyin halitta. Yawancin lokaci wannan tsari yana faruwa a jiki na kowane mace 14 days bayan lokacin menstrual. Wannan shine dalilin da yasa lokuttan obstetric ya bambanta daga wannan kafa ta masanin ilmin likita na tsawon makonni 2.
Mene ne kalandar kaɗaici?
Don yin lissafin lokacin, masu binciken gynecologists suna amfani da na'urar ta musamman - kalandar obstetric. Wannan yana ba ka dama da sauri da sauƙin ƙayyade tsawon lokacin ciki. A saboda wannan dalili, kwanan wata na al'ada na ƙarshe an nuna a kan sikelin kuma kwanan wata da aka tsammanin ana bayarwa .
An rarraba kalandar kazalika na zagaye zuwa cikin mako guda, watannin da ake kira brins (tsawon watanni 3). Tsawon lokacin haihuwa yana da makonni 40, wanda shine daidai watanni 10 na obstetric.
Dukan lokacin kowane ciki yana yawanci zuwa kashi 3:
- daga makonni 0 zuwa 12 - na farko;
- daga makon 13 zuwa 24 - na biyu;
- daga mako 25 zuwa 40 - na uku.
A wannan yanayin, kowannensu yana da halaye na kansa.
Na farko farkon watanni
Wannan lokacin yana nuna wani canji mai sauƙi a cikin jikin jinsin hormonal. Tun da tsarin kwayar mahaifiyar da ke gaba ta shirya don kulawa da ciki, an sake yaduwar yawan kwayar cutar, wanda zai haifar da canji a yanayin mace. Lokaci ne a cikin wannan kalandar marayun haihuwa da aka ƙayyade jima'i na yaro .
Na biyu na uku
A wannan lokacin, ana kulawa da hankali sosai ga yawan bincike, babban abu shine duban dan tayi. Tare da taimakonsa, likitoci suna lura da ci gaba da kuma ƙara yawan ɗabin yara, da kuma aiki na gabobin tayi.
Na uku na uku
Wannan lokacin yana nuna yawan ci gaban tayi, wanda zai haifar da karuwa a cikin nauyin a kan jikin gabobin jiki, musamman, matsa lamba a kan karuwar ƙwaƙwalwa. Harshen nasarar wannan lokacin na kalandar obstetric shine haihuwa.