[insert Table 1 here]

First-round survey

Around 85.5% of the statements reached consensus at the first-round survey and the agreement score ranged from 40.9% to 100.0%. Statements that achieved 100.0 % agreement include ‘routine blood pressure measurement for HDP screening ’ and ‘pregnant women have to be informed and counseled about HDP risk factors ’. Nine statements did not reach 70.0% agreement and these include statements of ‘most antihypertensive medication can be used to control the women’s blood pressure during breastfeeding periods ’ (43.2%) and ‘most all contraception methods dan be prescribed for women with a history of HDP ’ (40.9%). These statements were then brought forward into the second-round survey (Please refer to Table 2 and the supplementary table).