Kusvitsa embryo kumubereki

Kubva panguva yekuvhunga, mazai anobva kubva mumapuranga emuviri, kubva kwaakabuda, kusvika kune uterine cavity. Munzvimbo umo mazai anosiya mavhiri, mutsvuku unoramba uripo, unopa kugadzirirwa kwemugumo wemubereki kwechipiri chikamu chekufamba uye kusungirirwa kwezai rinogadzirwa. Uye nekutanga kwekuita pamuviri, inobereka progesterone, iyo inofanirwa kusvika masvondo makumi matanhatu ekuberekwa, kusvikira basa romuviri rinotora palacenta.

Uye iyo inopinda nepamuviri wepamuviri, inotorwa nefimbria ye uterine tube uye inofamba pamwe chete nechiedza chacho muchibereko. Muchikamu chezasi che tube, inogona kusangana ne spermatozoon, kubereka kunoitika nekuumbwa kwe zygote.

Kwemazuva mashomanana zygote yakakamurwa, uye blastocyst, ine mhando mbiri dzemasero, inoenda pachiberekwa pazuva rekutanga mushure mekuberekwa.

Iko mukati memasero kana embryoblast ndiyo inobva iyo iyo embryo ichaumbwa, uye kunze kwekunze ndiyo trophoblast iyo inokonzera mhemberero uye placenta. Ndiye iye achave ane mhosva yekubatanidza embryo kune uterine cavity.

Zviratidzo zvekubatana kwemucheche kumubereki

Endometrium yemubereki panguva yokutanga kwekuita pamuviri yakagadzirira kusungira blastocysts - inowedzera lipids uye glycogen, ichidzikisa kupfuurira kwayo. Ivhareji yemutambo wekuberekwa kwechibereko chechibereko chekuberekwa ndeyemazuva masere kusvika pa14 kubva pakutanga kwekuvhura. Pamusoro pekubatanidza, endometrium inowedzererwa munharaunda yega uye inokuvadzwa ne trophoblast inopindira mairi (a decidual react occurs). Nemhaka yekukuvara uku, kunyange kubuda ropa kunogona kuitika. Nokudaro, apo mucheche unobata chibereko, kusununguka kunogona kuva neropa uye kupera, ropa rinowanikwa mune zvishoma. Asi nekuparara kweropa chero ipi zvayo pakuberekwa, kusimbiswa nekuedzwa, unofanirwa kutendeukira kune gynecologist.

Zvimwe zviratidzo zvinogona kuitika zvechibereko chinokonzerwa nechibereko chinokanganisa marwadzo mudumbu rezasi, kuwedzerwa kwekushisa kwemuviri kusvika pa 37-37.9 degrees (asi pasina mamiriro akare kupfuura 38). Kwose kushaya simba, kusagadzikana, kuneta, kunzwa kwekusvetwa kana kumira mumuberekwa zvinogonawo. Manzwiro omudzimai panguva yekubatanidzwa kwemukamu kune chibereko chinofanana nevaya vasati vamboita mwedzi, asi rimwe zuva mushure mekuiswa kwembryo muropa richaonekwa se chorionic gonadotropin, uye kuve nekuita pamuviri kunotanga kuratidza kuti hakuzovi nemwedzi, uye chibereko chinowedzera embryo.