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Pregnant mother Natural labor Nutrient solution The first stage of labour
03-10
Natural labor Labor fetus The first stage of labour Uterine orifice
02-22
parturition Contractions massage The first stage of labour abdomen
01-10
pregnant woman parturition The first stage of labour
01-06
The first stage of labour Uterine orifice Contractions
12-30
Labor parturition Uterus_parenting The first stage of labour