Diabetes type 1

What about periods, contraception and diabetes?

For women the monthly cycle and periods can cause blood glucose to change. Many young women said that their blood glucose levels tend to fluctuate between low and high before and after their periods. One young woman was prescribed a contraceptive pill to regulate her periods and she expects to take it until her twenties or when her blood glucose levels become more stable. Another young woman stopped taking the pill because she found that her blood glucose levels went very high during the time of her period.

All forms of contraception are suitable for women with diabetes. 

The combined contraceptive pill ('the pill') is one of the most common types of contraception used by young women. It is very good at stopping you getting pregnant as long as it is taken according to the instructions but it does not stop you getting a sexually transmitted infection. So it is always best to use condoms whatever other method is used if there is any risk of contracting a sexually transmitted infection. Also, it is important to know what to do if you miss any of the pills especially pills 1-7 or 14-28 in the pack. If you do miss a pill or pills, check on the insert leaflet or phone and ask your doctor if you are unsure what to do. You might need emergency contraception and/or to use other forms of contraception such as condoms for the next seven days or it may be necessary to run two packets of pills together. Sometimes women go onto the pill to help regulate their periods and some women do find the pill helps. The mini pill, coils and contraceptive injections can also be used. Your doctor will be happy to tell you more about the various alternatives, their advantages and disadvantages and discuss the best form of contraception for you.

Contraceptives and advice on their use can be obtained from your GP, young persons and family planning clinic. You can hear what other young people say about contraception and sexual health by going to our sexual health section.

Pregnancy and diabetes
If you think you might be pregnant, it is very important that you find out and get help straight away, especially if you have diabetes. Your GP, diabetes team or family planning clinic can arrange immediate testing for you.

If you are pregnant and have diabetes, you will have to work really hard to keep your blood glucose under control during the pregnancy. If you are planning a pregnancy, good control before you actually become pregnant is very important.

If an unborn baby is exposed to high blood glucose during the early weeks of development, there is a higher risk of problems such as spinal and heart deformities. Later on in the pregnancy, bad control can lead to problems with the baby controlling their own glucose levels when they are born. 

If you are planning to have a baby or think you are pregnant then it is important that you speak to your diabetes care team as soon as possible for advice.

Last reviewed November 2014.

Last updated November 2014.

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