| Electrode, circular (spiral), scalp and applicator / Uterine electromyographic monitor | 7 | — |
| Flowmeter, blood, cardiovascular | 24 | — |
| Monitor, ultrasonic, fetal / Doppler, fetal, ultrasound | 12 | — |
| Monitor, uterine contraction, external (for use in clinic) / Monitor, heart rate, fetal, ultrasonic | 11 | — |