Nrog rau xyoo ntawm cov kev paub nyob rau hauv cov kev ua haujlwm , muaj ntau cov ntawv thov ua haujlwm raws ob qho ua haujlwm lub rooj ua hauj lwm . cov teeb tsa hauv online txog cov teeb tsa hauv online . Ntxiv nrog rau cov khoom lag luam hauv qab no, koj tuaj yeem hloov kho koj tus kheej tshwj xeeb obstetrics cov rooj ua haujlwm raws li koj cov kev xav tau tshwj xeeb.