Example of the screen showing ultrasound monitoring of twin FHRs:
Monitoring Twins Internally
Monitor one twin using the procedures described in "Monitoring FHR and FMP Using Ultrasound"
on page 141. Monitor the second twin using the procedures described in "Monitoring FHR Using
DECG" on page 183.
Example of a screen showing twin monitoring using a combination of US and DECG (the fetal heart
rate monitored via DECG is labeled "
Separating FHR Traces
To help you to interpret traces with similar baselines, you can separate the baselines by an offset of
20 bpm by switching trace separation on. For details of the offset, see "Separation Order Type" on
12 Monitoring Twin FHRs
" on the screen):