This may include: avoiding smoking, as recommended in the NICE guideline on tobacco maintaining a healthy lifestyle, as recommended in the NICE guideline on cardiovascular disease maintaining a healthy weight, as recommended in the NICE guideline on 1.10.4 In women who have had pre-eclampsia or hypertension with early birth before 34 weeks, consider pre-pregnancy counselling to discuss possible risks of recurrent hypertensive disorders of pregnancy, and how to lower them for any future pregnancies. [2019] To find out why the committee made the 2019 recommendations on risk of recurrence of hypertensive disorders of pregnancy and long-term cardiovascular disease, and how they might affect practice, see rationale and impact. Body mass index and recurrence of hypertensive disorders of pregnancy 1.10.5 Advise women who have had pre-eclampsia to achieve and keep a BMI within the healthy range before their next pregnancy (18.5 24.9 kg/m2 ). See also the NICE guideline on obesity. [2010, amended 2019] Inter-pregnancy interval and recurrence of hypertensive disorders of pregnancy 1.10.6 Advise women who have had pre-eclampsia that the likelihood of recurrence increases with an inter-pregnancy interval greater than Long-term risk of end-stage kidney disease 1.10.7 Tell women with a history of pre-eclampsia who have no proteinuria and no hypertension at the postnatal review (6 8 weeks after the birth) that although the relative risk of end-stage kidney disease is increased, the absolute risk is low and no further follow-up is necessary. [2010] Thrombophilia and the risk of pre-eclampsia 1.10.8 Do not routinely perform screening for thrombophilia in women who have had pre-eclampsia. [2010] Terms used in this guideline Chronic hypertension Hypertension that is present at the booking visit, or before 20 weeks, or if the woman is already taking antihypertensive medication when referred to maternity services. It can be primary or secondary in aetiology. 