Isonto lama-28 lokukhulelwa yisigaba esibalulekile sokukhulelwa, njengoba sigcwalisa i -trimester yesibili futhi sibonisa ukuguqulwa kwesigaba sokugcina sokubeletha umntwana.
Ubude be-fetus emasontweni angama-28 ukubeletha kungaba ngu-37 cm. Isisindo somntwana silinganiselwa ku-1 kg.
Ngesonto lama-28, ubuhlungu bobuchopho buqala ukuvuthwa. Ekhanda ukhule izinwele, wande futhi uthathe amashiya kanye ne-eyelashes. Amehlo aqala ukuvula, asisekho isikhumba se-pupillary. Ngenxa yokwanda komthamo wamafutha angaphansi kwesisu, izitho zomntwana ziqala ukutshala.
Ukuqubuka kwenhliziyo kushaya ngesilinganiso se-150 bpm. Cishe zonke izakhiwo zokuphefumula zomzimba wengane zenziwa. Uma umntwana ezalwa ngaphambi kwesikhathi kule nkathi, khona-ke unamathuba anele okusinda.
Umsebenzi we-Fetal ngesonto 28
Kusukela ngalesi sigaba sokuthuthukiswa kwengane ikhula ngokushesha kakhulu, ukuhamba kwayo kuqala ukulinganiselwa ngobukhulu besisu somama. Ngesonto lama-28 lokukhulelwa, ingane engashintshi indawo yayo kaningi, kepha ingakwazi ukujika futhi iphenduke phansi futhi ngokuphambene nalokho.
Kodwa ngokuvamile kaningi ngeviki lama-28, indawo ye-fetus iyashintsha kulowo ozovela kuwo.
Iningi lezingane libuyela endaweni "ekhanda phansi", okuyinto engokwenyama kakhulu futhi
Okusho ukuthi, emasontweni angu-28 bayothatha lokho okubizwa nge-pelvic noma isingeniso esithintekayo se-fetus. Kodwa-ke, uma ukubeletha kwemvelo kusengenzeka nge-presentation ye-pelvic, uma kwenzeka izidakamizwa ezithintekayo, isigaba sokudla kufanele sisetshenziswe.