Ukuthuthuka komuzwa wokuzwa embungwini bekuyindaba yokutadisha nokuphikisana iminyaka eminingi.
Njengamanje, ubufakazi bukhombisile ukuthi ingane esibelethweni iyakwazi ukuzwa imisindo ku-trimester yokugcina yokukhulelwa.
Kodwa-ke, kuyaziwa ukuthi umbungu uphendula umsindo kusuka ngesonto 16 yize izakhiwo zezindlebe zingakhuli ngokugcwele. Abaphenyi bathi ingane ibona imisindo ngenye indlela ehlukile. Le ndlela ehlukile eya endlebeni kungaba isikhumba. Lokhu kuzosebenza njengesitho esikhulu sokwamukela iminingwane yokudlidliza, sikudlulise nge-amniotic fluid lapho kucwiliswa umbungu.
Izingxenye zokwakheka kwendlebe yangaphandle nendlebe ephakathi ziyakhula emasontweni angama-20 okuqala.
Y es kusukela ngesonto lama-25 lokukhulelwa lapho isitho sokuzwa sesivele sisebenza. Ngokwe-American Academy of Pediatrics, kusukela kulo mzuzu kuqhubeke, umbungu uyakwazi ukubona, ngokusebenzisa uketshezi lwe-amniotic oluzungezile, imisindo ngaphakathi komzimba kamama: ukushaya kwenhliziyo, ukujikeleza kwegazi, ukuphefumula, umsebenzi wohlelo lokugaya ukudla. .. Isibumbu naso ibona izwi likamama Idluliselwa ngekholomu yomgogodla futhi ifinyelela ku-sacrum.
Kufakazelwe ukuthi izwi likamama linomphumela oduduzayo embungwini, kepha hhayi ngenxa yencazelo yamagama, ngoba umbungu awuqondi incazelo yenkulumo yokukhuluma, kepha kunalokho ngenxa yethoni lamagama elihambelana nawo.
Kuyaziwa futhi ukuthi iyakwazi ukubona imisindo yangaphandle yize ididekile yi-amniotic fluid. Njengoba isitho sokuzwa sizwela kakhulu, kunconywa ukuthi abesifazane abakhulelwe abazivezi emisindweni ephezulu njengokukhala okukhulu kakhulu, ukushaya, umculo omkhulu kakhulu ... ukugwema ukulimala.
Ngemuva kokuzalwa, ingane isuka ekulaleleni emanzini iye ekulaleleni okusemoyeni. Umsele wendlebe uvikelwe yizinsalela ze-amniotic fluid nezicubu ze-gelatinous ezizobuyiselwa ngokuhamba kwesikhathi.