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other-pregnancy-conditions

Low blood pressure in pregnancy

Low blood pressure in pregnancy

Your blood pressure will change through the various stages of your pregnancy as your body goes through a variety of changes. It will be checked by your midwife at your antenatal appointments.

At a glance

  • Low blood pressure is normal when pregnant
  • Your midwife will check your blood pressure at appointments

Why will I have low blood pressure in pregnancy?

Your blood pressure will rise and fall throughout the day depending on what you’re doing and it’s normal for it to change more during your pregnancy. Your body will be producing hormones, particularly progesterone which helps to relax the walls of your blood vessels and will likely cause your blood pressure to fall during your first and second trimester.

As you approach your third trimester your blood pressure will start to increase again and should be back to pre-pregnancy levels a few weeks before the birth of your baby.

Your blood pressure will be checked regularly by your midwife during your antenatal appointments to ensure everything is ok.

Why is it important to know my blood pressure?

Although it’s normal to experience low blood pressure in pregnancy, it’s important that your midwife checks to ensure your pregnancy is going smoothly and there are no underlying conditions developing.

This includes pre-eclampsia a condition that can cause serious problems for your and your baby if it goes undetected. Your midwife will test your urine and check your blood pressure for sings of this condition.

Should I be worried about low blood pressure in pregnancy?

Having low blood pressure in pregnancy is normal and to be expected as your pregnancy progresses. If you feel feint or have dizzy spells, tell your doctor or midwife as it might mean your blood pressure is particularly low.

After the birth of your baby your blood pressure will be measured every few hours whilst you’re in hospital and you can expect your blood pressure to return to normal after your birth, as long as you have no pre-existing blood pressure related issues.

At a glance

  • Low blood pressure is normal when pregnant
  • Your midwife will check your blood pressure at appointments

Pregnancy conditions