A I-Fetal Doppler yi-transducer ebambe iqhaza ngesandla esetshenziselwa ukubona ukushaya kwenhliziyo kwe-fetal ukunakekelwa kokubeletha. Isebenzisa Umphumela weDoppler ukuhlinzeka ukumbumbuluzwa okuzwakalayo kokushaywa kwenhliziyo. Amanye amamodeli abuye abonise izinga lenhliziyo ku-Beats ngomzuzu (BPM).

I-Fetal Monitor ebizwa nangokuthi i-Monitor kamama neyasencane, kuyinzwa esetshenziselwa ukuqapha idatha yomama nezingane. Ungabona ushintsho oluhlukahlukene ngokomqondo, lwenza kahle futhi uqinise imininingwane, bese uyiguqula ibe ngolwazi kagesi, bese ibala futhi ihlele imininingwane. Uma inkomba ecacisiwe idluliwe, izobangela uhlelo lwe-alamu.