#	Searches	No of Hits
S1	((MM "Prenatal Care" OR MM "Childbirth Training") OR (MM "Antepartum Period")) OR (MM "Pregnancy" OR MM "Adolescent Pregnancy" OR MM "Pregnancy Outcomes" OR MM "Primipara")	20672
S2	TI antenatal care or AB antenatal care or TI prenatal care or AB prenatal care or TI pregnan$ or AB pregnan$ or TI perinatal care or AB perinatal care	3671
S3	(TI antenatal care or AB antenatal care or TI prenatal care or AB prenatal care or TI pregnan$ or AB pregnan$ or TI perinatal care or AB perinatal care) OR (S1)	22385
S4	TI woman$ or AB woman$ or TI women$ or AB women$ or TI mother$ or AB mother$	381,148
S5	(TI woman$ or AB woman$ or TI women$ or AB women$ or TI mother$ or AB mother$) AND (S3)	16088
S6	((MM "Qualitative Methods" OR MM "Focus Group" OR MM "Grounded Theory" OR MM "Interpretative Phenomenological Analysis" OR MM "Narrative Analysis" OR MM "Semi‐Structured Interview" OR MM "Thematic Analysis") OR (MM "Mixed Methods Research")) OR (MM "Participant Observation")	8842
S7	TI qualitative or AB qualitative or TI focus group$ or AB focus group$ or TI interview$ or AB interview$	354,042
S8	TI qualitative or AB qualitative or TI focus group$ or AB focus group$ or TI interview$ or AB interview$ OR (S6)	355563
S9	((TI qualitative or AB qualitative or TI focus group$ or AB focus group$ or TI interview$ or AB interview$) OR (S6)) AND (S5)	2918
S10	Limit S9 to studies published from September 2014 to Current	788