Was last birth by 1998 onwards caesarean section? Total number of previous 1998 onwards caesarean section Amniocentesis (<20 1994-1997 weeks) CVS (<20 1994-1997 Cervical suture 1994-1997 Antenatal care 2006 onwards Duration of pregnancy at first antenatal All# visit Number of antenatal care 2011 onwards visits Not booked 1994-1997 Smoking during 1994-2010 pregnancy Smoking during 1st half of 2011 onwards pregnancy Cigarettes per day during 2011 onwards the 1st half pregnancy Number of cigarettes smoked per day during 2011 onwards the 1st half of pregnancy Smoking during the 2nd 2011 onwards half of pregnancy Cigarettes per day 2nd All# half pregnancy Number of cigarettes smoked per day during 2011 onwards the 2nd half of pregnancy Maternal diabetes All mellitus Gestational diabetes All Chronic hypertension All Pregnancy-induced 1994-2006 hypertension Pregnancy-induced hypertension - 2006-2010 proteinuric Pregnancy-induced hypertension 2006-2010 – Pre-eclampsia 2011 onwards Gestational hypertension 2011 onwards APH (cause unknown) 1994-1997 APH (due to placenta 1994-1997 abruptio)
Was last birth by caesarean section? 1998 onwards Total number of previous caesarean section 1998 onwards Amniocentesis (<20 weeks) 1994-1997 CVS (<20 1994-1997 Cervical suture 1994-1997 Antenatal care 2006 onwards Duration of pregnancy at first antenatal visit All# Number of antenatal care visits 2011 onwards Not booked 1994-1997 Smoking during pregnancy 1994-2010 Smoking during 1st half of pregnancy 2011 onwards Cigarettes per day during the 1st half pregnancy 2011 onwards Number of cigarettes smoked per day during the 1st half of pregnancy 2011 onwards Smoking during the 2nd half of pregnancy 2011 onwards Cigarettes per day 2nd half pregnancy All# Number of cigarettes smoked per day during the 2nd half of pregnancy 2011 onwards Maternal diabetes mellitus All Gestational diabetes All Chronic hypertension All Pregnancy-induced hypertension 1994-2006 Pregnancy-induced hypertension - proteinuric 2006-2010 Pregnancy-induced hypertension – 2006-2010 Pre-eclampsia 2011 onwards Gestational hypertension 2011 onwards APH (cause unknown) 1994-1997 APH (due to placenta abruptio) 1994-1997
pdc_variable_list_updated-3-dec-2013-a.docx