Maternal diabetes mellitus—pre-existing diabetes 0 = No/not stated Maternal diabetes mellitus [mdiab] 1 = Yes Gestational diabetes Available from 1994 to 2015. 0 = No/not stated [odiab] 1 = Yes Gestational diabetes Type of diabetes Available from 2016. = Not applicable ‘ ‘ [mdiab2016] 1 = Type 1 diabetes mellitus Type of diabetes. It is noted that there was a large increase in 2 = Type 2 diabetes mellitus gestational diabetes mellitus when comparing 2015 and 2016 3 = Gestational diabetes mellitus rates. 4 = Other types of diabetes 9 = Not stated Eclampsia Collected from 2016 onwards. 0 = No [ehyper] 1 = Yes Mother hypertension eclampsia flag 9 = Not stated Chronic hypertension Available from 1994 onwards. 0 = No/not stated 1 = Yes [mhyper] Chronic maternal hypertension Pregnancy-induced Available from 1994 to 2006. 0 = No/not stated hypertension 1 = Yes [ohyper] Pregnancy-induced hypertension or pre-eclampsia. Pregnancy-induced Available from 2006 onwards. 0 = No/not stated hypertension proteinuric 1 = Yes – [ohyp_p] From 2011, condition is described as pre-eclampsia. Pregnancy-induced Available from 2006 onwards. 0 = No/not stated hypertension 1 = Yes – From 2011, condition is described as gestational hypertension. [ohyp_np] Antepartum haemorrhage Available from 1994 to 1997. 0 = No/not stated 1 = Yes (any [aph] Antepartum haemorrhage of any cause.
Maternal diabetes mellitus [mdiab] Maternal diabetes mellitus—pre-existing diabetes 0 = No/not stated 1 = Yes Gestational diabetes [odiab] Available from 1994 to 2015. Gestational diabetes 0 = No/not stated 1 = Yes Type of diabetes [mdiab2016] Available from 2016. Type of diabetes. It is noted that there was a large increase in gestational diabetes mellitus when comparing 2015 and 2016 rates. ‘ ‘ = Not applicable 1 = Type 1 diabetes mellitus 2 = Type 2 diabetes mellitus 3 = Gestational diabetes mellitus 4 = Other types of diabetes 9 = Not stated Eclampsia [ehyper] Collected from 2016 onwards. Mother hypertension eclampsia flag 0 = No 1 = Yes 9 = Not stated Chronic hypertension [mhyper] Available from 1994 onwards. Chronic maternal hypertension 0 = No/not stated 1 = Yes Pregnancy-induced hypertension [ohyper] Available from 1994 to 2006. Pregnancy-induced hypertension or pre-eclampsia. 0 = No/not stated 1 = Yes Pregnancy-induced hypertension – proteinuric [ohyp_p] Available from 2006 onwards. From 2011, condition is described as pre-eclampsia. 0 = No/not stated 1 = Yes Pregnancy-induced hypertension – [ohyp_np] Available from 2006 onwards. From 2011, condition is described as gestational hypertension. 0 = No/not stated 1 = Yes Antepartum haemorrhage (any [aph] Available from 1994 to 1997. Antepartum haemorrhage of any cause. 0 = No/not stated 1 = Yes