A ʻO ka fetal doppler kahi transducer ultrasound paʻa lima i hoʻohana ʻia e ʻike i ka ka puʻuwai hānai no ka mālama mua ʻana.Hoʻohana ia ka hopena Doppler e hāʻawi i ka simulation lohe ʻia o ka puʻuwai puʻuwai.Hōʻike pū kekahi mau hiʻohiʻona i ka puʻuwai o ka naʻau i ka beats i kēlā me kēia minuke (BPM).

Ua kapa ʻia ʻo Fetal monitor maternal and infant monitor, he mea ʻike ia e nānā i ka ʻikepili physiological o nā makuahine a me nā pēpē.Hiki iā ia ke ʻike i nā loli physiological like ʻole, hoʻonui a hoʻoikaika i ka ʻike, a laila hoʻololi iā ia i ʻike uila, a laila helu a hoʻoponopono i ka ʻike.Inā ʻoi aku ka nui o ka index i ʻōlelo ʻia, e hoʻāla ia i kahi ʻōnaehana alarm.