Table 1.

Participant inclusion and exclusion criteria.

Included	Excluded
Pregnant women	<18 years of age
Attending antenatal care at the study sites (Primary health clinics)	Pregnancy complications (hypertension)
Single pregnancy	Persistent excessive shortness of breath
All level of trimester	Severe chest pain
	Regular and painful uterine contractions
	Vaginal bleeding
	Disabilities or pre-existing health conditions preventing the effect of PA
	Unable to speak English