Mimba, kuwoloka malire pa masabata 12, ali ndi mwayi waukulu kwambiri wothera ndi kubadwa kwa mwana wathanzi pakangopita nthawi. Komabe, mwatsoka, kuchokera ku lamulo lina palipadera, ndipo nthawizina mimba yachisanu imabwera mu trimester yachiwiri.
Mimba yokhala ndi mimba yachiwiri ya trimester: zimayambitsa
Kawirikawiri, mimba yofiira imapezeka kumayambiriro kwa trimester, mpaka masabata 18, ndipo imayanjanitsidwa ndi majeremusi amachititsa - mwana wosabadwa pazifukwa zina sangathe kukula. Mimba yotereyi idzawonongedwa kuyambira pachiyambi. Mimba yokhala yochepa kwambiri m'miyezi itatu yachiwiri ingayambidwe ndi zifukwa zina, mwachitsanzo, ndi matenda. Matenda opatsirana pogonana, kuwonjezereka kwa matenda opatsirana pogonana, mavuto ena aakulu a umoyo wa amayi omwe ali ndi pakati nthawi zina amatha kufa. Nthawi zambiri mimba yokhazikika pa sabata lachisanu ndi chiwiri kapena nthawi ina mu trimester yachiwiri ikhoza kuyambitsidwa ndi kusokonezeka kwa mahomoni, patapita milungu isanu ndi iwiri kuti mwanayo atuluke msinkhu umene umatha kukhazikitsa mayankho oyenera a mahomoni. Mulimonsemo, ndi dokotala yekha amene angadziwe bwinobwino chifukwa cha imfa ya mayi wapakati atatha kufufuza. Nthawi zina chifukwa chake sichidziwika bwino.
Kachiwiri katatu ka mimba: zizindikiro za mimba yolimba
Zina mwa zizindikiro za mimba yokhazikika, yomwe ingadziwike ndi mayi mu trimester yachiwiri, ndiko kusowa kwa fetal perturbations. Azimayi, kuyambira pa masabata 18-20, ndi kubereka mobwerezabwereza ndi kale, amatha kumverera kusuntha kwa fetus, ndipo ngati ayima tsiku limodzi kapena kuposerapo, ndiye mwayi wopita kuchipatala. Wachipatala amatha kuzindikira
Mimba ya fetasi m'kati mwa 2 trimester ndi yosavuta kwambiri ndipo ingayambidwe mwina ndi matenda aakulu a mayi, kapena matenda obadwa mwa mwana, kapenanso zovuta zina. Mwamwayi, izi zimachitika kawirikawiri, ndipo ngati mkazi ayang'anitsitsa thanzi lake, amapanga maphunziro ofunika pa nthawi ndi kukachezera dokotala nthawi zonse, chiopsezo chotere chitha kutenga mimba.