A I-fetus doppler iyi-transducer ye-ultrasound ephathwa ngesandla esetshenziselwa ukuthola ukushaya kwenhliziyo yengane yokunakekelwa kokubeletha.Isebenzisa umphumela we-Doppler ukunikeza ukulingisa okuzwakalayo kokushaya kwenhliziyo.Amanye amamodeli aphinde abonise izinga lokushaya kwenhliziyo ngamabhithi ngomzuzu (BPM).

I-Fetal monitor ebuye ibizwe ngokuthi imonitha kamama nezinsana, iyinzwa esetshenziselwa ukuqapha idatha yefiziyoloji yomama nezingane.Ingakwazi ukuzwa izinguquko ezihlukahlukene zomzimba, ikhulise futhi iqinise ulwazi, bese iluguqulela ulwazi lukagesi, bese ibala futhi ihlele ulwazi.Uma inkomba eshiwo yeqiwa, izocupha isistimu ye-alamu.