Regular measurement of BP is a part of routine ante-natal care. Dot missed her last visit mainly because of the distance she has to travel from her rural town to the nearest medical centre. She needs to be advised that because of her hypertension she should keep her appointments in future even though it may sometimes be difficult.
Which ONE of the following statements about hypertension in pregnancy is TRUE?

	Measurement of SBP and DBP levels are the same as in non-pregnant patients
	Hypertension detected in the first half of pregnancy is usually due to chronic hypertension
	Anti-hypertensive drugs should be used in small doses in the first half of pregnancy
	Of those who develop hypertension in the second half some may have pre-eclampsia