Page 92 - PCC05
P. 92
Cardiac activity
• Earliest proof of a viable IUP
• Usually evident when CRL > 2mm
• 5‐10% embryos 2‐4 mm have no demonstrable FH
• Between 5‐9 weeks there is a rapid increase in mean heart rate from 110 – 175 bpm
IPUVI
PUL
Ectopic
NIUP
Page 86 of 135
Miscarriage
92
