Lub luag haujlwm tseem ceeb ntawm lub txaj tom qab yug me nyuam rau cov poj niam cev xeeb tub yog kom nqus cov ntshav tuab, nrog rau kev faib ua feem ntau ntawm chorionic villi hauv cov khoom siv raw. Lub luag haujlwm tseem ceeb ntawm cov menyuam yaus pov tseg hauv ncoo yog nqus cov zis, nrog rau qhov muag muag heev thiab cov qauv tsim uas ua rau muaj kev cuam tshuam zoo rau kev ua pa. Lub luag haujlwm tseem ceeb ntawm cov tshuaj tua kab mob yog nqus cov zis thiab deodorize.HUSHPET, tus neeg muab cov ntaub qhwv cov quav, tau tsim cov ntaub qhwv rau tib neeg thiab tsiaj.
