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Preconceptual
Target Heart Rate Formula = 70% (220-age)
Exercise and the Placenta -Women
who exercise have bigger placenta's
ACOG -No longer recommends
a maximal heart rate of 140 BPM
ACOG -No longer recommends 15 - 20 minutes
max duration for everyone!
Warm
Up - Warming up for a pregnant women should
be 10 - 12 minutes in length
Cardiovascular
changes of pregnancy include -
Increased resting heart rate 10-15 BPM
Approximately 30-50% increase in blood
volume
Red cell mass increase 18-30%
Information supplied by: Sheila Watkins,
MLSci., Founder
Healthy Moms Perinatal Fitness Instructor Training
and Certification Course
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