Mimba yembwa inotora nguva yakareba sei?

Nguva yekubata pamuviri inonyanya kufanotaurwa kana zuva rekuvhiya richizivikanwa. Muchiitiko ichi, kubereka kunotanga pazuva 62-64 kubva pazuva rekuvhiya.

Chimiro chembwa ndiko kusawirirana pakati penguva ye ovulation uye nguva yakaorera: izvi zvinoreva kuti mushure mekuvhara, zai rinotora maawa makumi mana nemasere kuti rikure uye rikwanise kubereka, uye maawa 48-48 mushure mekukura, mazai anofa. Spermatozoa, uyewo, inokwanisa kurarama muhutano hwekubereka kwemazuva manomwe. Saizvozvo, kana kusangana kunoitwa mazuva mashoma kusati kwasvika ovulation, fertilization ichaitika gare gare, uye nhumbu ichaita seyakareba. Kana kusangana kuchiitwa, semuenzaniso, mazuva 72-7 mushure mekuvhiya, spermatozoa ichaisa mazai ayo asati apera kuderera, uye kubata pamuviri kuchaita sekupfupi.

Nguva yekukwirana inogona kubva pazviratidzo zvekiriniki, kukwezva kwehure kuvarume uye kubvuma kusvirwa, kushanduka kwemaitiro ekubuda kwenhengo yesikarudzi (kubva pakubuda ropa kwakanyanya kuenda kureruka), uye kuverenga mazuva kubva pakatanga estrus. Haasi imbwa dzose dzinobereka pakati pemazuva 11-13 eestrus, uye nokuda kwechikamu chikuru chinogona kusiyana kubva pakutenderera kuenda kune imwe nzvimbo.

Nzira yekusarudza nguva yakaorera uchishandisa chidzidzo chevaginal smears inokubvumira kuti uone kuvapo kwemasero epamusoro epithelium yevaginal, iyo inoratidzika zvakananga maererano nekuwedzera kwehuwandu hwehomoni yeestrogen. Maererano nemigumisiro yekuongorora kwe cytological yevaginal smears, zviratidzo zveestrus zvinogona kugadziriswa - iyo nhanho chaiyo iyo ovulation inoitika, asi hazvibviri kuziva nguva iyo inoitika. Iyi inzira yakakosha, asi isina kururama zvakakwana.

Chidzidzo chezinga rehomoni progesterone muropa ndiyo nzira yakarurama kwazvo yekuona nguva yekuvhara mumbwa. Progesterone inotanga kusimuka kunyange isati yasvika, iyo inokubvumira kutanga kutora zviyero mberi. Chiyero cheprogesterone panguva yekuvhara muimbwa dzakawanda inenge yakafanana. Sezvo mutemo, zviyero zvakawanda zvinodiwa (1 nguva mumazuva 1-4).

Ultrasound kuongororwa kwemaovari ndiyo imwe nzira inonyanya kuvandudza kururamisa kwekugadzirisa nguva yekuvhara.

Mukuita, kubva pazuva re4-5 reestrus, kuongororwa kwe cytological yevaginal smears kunofanirwa kutangwa, ipapo (kubva panguva iyo oestrus maitiro anoonekwa mu smear), kuongororwa kweropa kwehomoni progesterone uye ultrasound yeovari inotakurwa. kunze.

Ndira 30 2018

Yakagadziridzwa: Chikunguru 18, 2021