Njengoba wazi, sonke isikhathi sokubeletha sihlukaniswe ngokuthi okuthiwa ama- trimesters - isikhathi sokuhamba, isikhathi esiyizinyanga ezintathu. Cabanga ngalolu pharamitha ngokuningiliziwe futhi uqonde: 1 trimester yokukhulelwa - mangaki amasonto futhi, yiziphi izinguquko ezinkulu ezenzeka kuwo.
Kuzoze kube nini i-trimester yokuqala yokubeletha?
Njengoba sekushiwo ngenhla, 1 trimester - izinyanga ezingu-3. Uma uzama ukuyihumusha emasontweni bese uthola ukuthi: isikhathi esingakanani sokuqala kokukhulelwa kuqhubeka, khona-ke kuvela ukuthi lokhu kuvamile kwamasonto angu 12 ayi-obstetric.
Kwenzekani ku-fetus ngalesi sigaba?
Ekuqaleni kokukhulelwa, i-fetus yengomuso iqoqo elincane lamaseli ahlale ehlukaniswe. Esikhathini sesiteji sokugcoba, ukwethulwa kweqanda lomntwana wesibindi ku-endometrium ye-uterine kwenzeka. Kusukela kulokhu, empeleni, ekuqaleni kokukhulelwa.
Phakathi neviki lesibili, isimiso sezinzwa sezingane esizayo siqala ukwakha, futhi esiseduze no-4, izinyathelo zamehlo zenziwa, izingalo nemilenze yengane engakazalwa iqala ukuhluka. Ekupheleni kwenyanga eyi-1 yokukhulelwa, umbungu usemncane kakhulu, kuphela 4 mm.
Ngenyanga yesibili yokubeletha, ukuthuthukiswa okusebenzayo kobuchopho kubonakala. Kulesi simo, ikhanda le-embryo ngokwayo likhulu ngokwanele futhi ngobukhulu balo lidlula u-1/3 ubude besiqu sayo. Ikusasa lomntwana libukeka njenge-hook enkulu.
Kulesi sigaba sokuthuthukiswa, inhliziyo isivele isenkontileka. Endaweni lapho izindlebe nezamehlo zizobe zikhona khona, kuhlanganiswa uhlobo oluthile lokuhlanganisana, okuyizinto ezitholakala kulezi zitho. Ngasekupheleni kwezinyanga ezimbili izinhlaka zesimiso sokuzala zombungu ziqala ukwakha. Noma kunjalo, kusenakwenzeka ukucacisa ubulili. Ubukhulu besimiso esincane ngalesi sikhathi asidluli 2.5 cm.
Ukubelethwa kwezinyanga ezintathu kubonakala ngokubonakala kwamanye amahlangothi obuso. Kulesi simo, izibhamu nezinyawo sezivele zihlukile. Okokugcina, ngalesi sikhathi, izitho ezenza umuthi wamathumbu zakhiwe, ikakhulukazi isibindi, isisu, isisu. Ukwakhiwa kwenqubo yokuphefumula nakho kwenzeka.
Inhliziyo isivele ihlukaniswe ngama-4, inethiwekhi yemithambo yegazi ikhula. Kukhona izinguquko ebuchosheni: ama-groove ne-convolutions akhiwa. Kukhona ukushintshwa kancane kwamathambo emathambo, okwenza kube nokunyakaza okuqhubekayo kwengane. Abanye besifazane, okuyisici esiningi se-moles, bangafaka ukunyakaza kokuqala ekupheleni kwe-trimester yokuqala .