Alcohol and Other Drug Use during Pregnancy among Women Attending Midwife Obstetric Units in the Cape Metropole, South Africa

1Alcohol & Drug Abuse Research Unit, South African Medical Research Council, P.O. Box 19070, Tygerberg 7505, South Africa

2Biostatistics Unit, South African Medical Research Council, P.O. Box 19070, Tygerberg 7505, South Africa

3Statistics and Population Studies Department, University of the Western Cape, P.O. Box X17, Bellville 7535, South Africa

4Health Systems Research Unit, South African Medical Research Council, P.O. Box 19070, Tygerberg 7505, South Africa

5Womens Health Research Unit, School of Public Health and Family Medicine, University of Cape Town, Falmouth Building, Medical Campus, Observatory 7925, South Africa

6Department of Psychiatr