Madzimai, kuenda kumwedzi kunosanganisira zvikamu zvakasiyana. Iyo yekutanga yeiyi inonzi follicular phase, kubvira munguva yakaratidzwa mu follicles oocytes yakakura mumapurlicles. Zvadaro chikamu ichi chinopinda mu ovulatory, uye pashure pacho - muchikamu chekateal .
Nguva yeChikamu
Kutanga kwe follicular phase ndiyo zuva rokutanga rokuenda kumwedzi, ndiko kuti, apo mukadzi akacherechedza kubuda. Nguva yaro inotsanangurwa nenguva yekusimwa kwakazara kweimwe follicle yakakurumbira. Dzimwe nguva kune maviri kana kupfuura, asi zviitiko zvakadaro hazviwanzoitiki. The follicular phase inopedzwa nehuvhunga. Nguva yaro ingave yakasiyana. Kakawanda nguva yechikamu ichi chechikadzi chinotarisa kunonoka kwekuenda kumwedzi. Semuenzaniso, mumamiriro ezvinhu apo follicle inokura zvishoma nezvishoma kana kuti isingabereki (saka chikamu chemuviri wechizha chinoratidzwa nekusingaperi).
Chinhu chikuru chinoita kuti nguva yehupenyu hupiwe nguva ndiyo nguva inoda kuti muviri usvike pakuwanda kweeestrogen muropa. Itero estrogens seestriol uye estrone haigoni kumira mumuvirikadzi. Ivo vanobatanidzwa mukukurudzira kuchengetedzwa kwemakwenzi emudzimai - mamiriro ezvinhu anonyanya kukosha pakudya uye kushandiswa kwepermatozoa. Kazhinji, pamagumo echipollicular phase, iyi mukoko inofanana nekuenderana nemazai mapuroteni asina kuibva - aya anotsvedza, akajeka uye akajeka. Kana kusvina uku kusina, spermatozoa, nhamo, ichafa. Estrogens inobatsirawo pakusunungurwa kwakakosha kwemarimone yeLuteinizing. Mumazuva maviri kana mana mushure meizvi, ovulation inozviratidza. Icho chiri pamusoro pekukura kwemahomoni kwakanyanya kune dzakawanda zvekuedza kunobatsira kuziva kuti chikwata cheivulatory chiri kubva. Estrogens vanokurudzira kukura nekuvandudzwa kwe endometrium, kugadzirira chibereko chekuita kweprogesterones. Mukuwedzera, vanoderedza kutonhora kwemuviri.
Kuzadzikiswa kwechirevo chinonzi follicular chinoreva kuti chiyero chiri muestrogen follicle chasvika pachikumbaridzo, uye chinoputika, chinotungamirira kuhuputi. Muzhinji, inofungidzirwa kuti follicular chikamu chekufamba-famba ndiko kugadzirirwa kwechikadzi chechikadzi kuti chiitwe chimiro.
Matambudziko uye zvinetso
Nguva yenguva ye follicular inogona kuchinja mune dzimwe nguva. Kana iyo follicle inokurumidza kukurumidza kupfuura yakakurumbira, saka follicular phase inopfupiswa. Muchiitiko ichi, hapana chimwe chinokanganisa, sezvo pfupi follicular chikamu mumatambudziko akawanda haigadziri kuvhara uye kuitika kunogona kutora pamuviri.
Mamiriro akasiyana-siyana anowedzera apo nguva yechikamu ichi inowedzera. Izvozvo zvinowedzera kwenguva yakareba, uye dzimwe nguva hazvikudziri zvachose. Izvi zvinoita kuti hove isingakwanisi. Zvimwe zvikonzero zvekusavapo kwechirwere muvakadzi zvinogona kuva:
- pamuviri;
- lactation;
- kubvisa kana kudyiwa kwehomoni-ine zvinodhaka;
- kuyaruka;
- manopause;
- hormonal failure .
Zvirwere zvakasiyana-siyana, kushanduka kwemamiriro okunze kamwechete, kufamba kwepamitambo, zvemitambo, kushungurudzika, kuneta kana kuora kurasikirwa kunogonawo kuva nemigumisiro yenguva pfupi kwenguva ye follicular phase, zvichiita kuti irege kuva yakakwana kana kuti inopera.
Kana mukadzi asina pamuviri, uye pashure pokunge ovulation uye luteal phase, yakagara kubva pamakore gumi kusvika ku12, iyo yakagadzirwa yeropa inomisa basa rayo. Nhamba yeprogesterone, estrogen inoderera zvakanyanyisa, iyo inokonzera kushandiswa kweprogaglandins. Chibereko chinotanga kubvumirana, kusvibiswa kunoonekwa mumidziyo. Zvinhu izvi zvinosangana nekurambwa kwemashure maviri kunze kwe endometrium. Uyezve unotanga zvakare chinotevera follicular phase, zvichiratidza kutanga kwemwedzi mutsva.