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Blood sugar levels chart for pregnancy and diabetes

Your diabetes care team will set individual blood sugar targets, but as a general guide, the NHS recommends:


Whether you had diabetes before you became pregnant or you developed diabetes during your pregnancy, called gestational diabetes, you'll need to keep a close watch on your blood sugar levels.

You're probably eating differently because your body needs more energy to help your baby grow and be healthy. And your changing hormones affect how your body makes and uses insulin. This can increase the chances of blood glucose levels going too high or too low.

In the later parts of your pregnancy, you may become more insulin resistant, so blood sugar builds up to higher levels.

Good diabetes management will help you avoid complications and long-term health problems for you and your baby.

How often should you check your blood sugar?

Individual advice will vary depending on the type of diabetes and how it is being treated.

Common testing times are fasting, pre-meal, 1-hour after a meal and at bedtime.

You may also be advised to check your fasting urine ketones daily.

Your GP, midwife and other members of your diabetes care team will ask to see you about diabetes at regular appointments.

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WebMD Medical Reference

Medically Reviewed by Dr Rob Hicks on November 10, 2017

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