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Fig. 2 | BMC Pregnancy and Childbirth

Fig. 2

From: Exercise during pregnancy on maternal lipids: a secondary analysis of randomized controlled trial

Fig. 2

Maternal heart rate changes during moderate-intensity exercise sessions according with currently recommended aerobic physical activity guidelines during pregnancy. Average intensity based on a target heart-rate zone of 120 to 140 bpm, according with currently recommended aerobic physical activity guidelines during pregnancy. Experimental participants received on average 28.9 out of 36 (SD 3.2) sessions over the 12 weeks. No adverse events occurred during or after the exercise in any participant. (a) First 15 min 16, (b) 15–40 min of exercise

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