Diabetes and pregnancy
Diabetes in Pregnancy
History of diabetes
Insulin was discovered for the use of diabetes in 1921. Prior to
this discovery, juvenile diabetes meant death within 3-4 years.
Pregnancy for diabetics prior to 1921 simply did not happen. Until
40 years ago at least half of all pregnant diabetics would loose
their babies. However now over 90% of babies from diabetic mothers
survive, due to modern technology. However, diabetic pregnancies
are still at a high risk.
It is advisable that you seek a high risk pregnancy centre to
assist you during your pregnancy as opposed to your standard
clinic. It is better to take precautions than deal with problems as
they arise.
Types of diabetes
There are two types of diabetes. Non insulin dependant
diabetes, which can be treated with diet alone, and there is
insulin dependent diabetes, which requires injections of
insulin.
Diabetes has been broken into six different classes which
enables you to determine your chances of a safe pregnancy.
Class A: gestational diabetes. That which is
developed during your pregnancy.
Class B: Diabetes that developed after the age
20, but is 30 yrs of age or less. This can result is a healthy
pregnancy provided the mother is healthy.
Class C: Diabetes developed between the ages of
ten and nineteen, and diabetes has been existant for 10 to 20
years. No evidence of vascular problems or eye problems. A
supervised pregnancy can be successful.
Class D: Have had diabetes for the same amount
of time as group C, but who are experiencing deteriorating
eyesight. There are chances of problems such as retinal detachment,
so consultation with specialists is a priority.
Class F: These women have developed early
kidney damage, as well as other problems. This could result is a
risky pregnancy and consultation should be sought before pregnancy
considered.
Class R: Women with retinal damage, damage to
the heart and other organs. This group is usually advised against
pregnancy, but see a specialist concerning this.
Risks:
•Miscarriage rates are higher for women with diabetes.
•Greater chance of problems during labour and delivery with
diabetic pregnancies.
•Greater chance of your baby being still born or having congenital
abnormality, if you are diabetic.
•Congenital fetal malformations caused by diabetes.
A mother with diabetes has a much higher incidence of birth
defects than a women without diabetes. A possible reason for this
is the high blood sugar levels in the first three months of
pregnancy. Possible birth defects are heart malformations, cleft
lip and palate and missing kidneys and lungs. It is often the early
months of pregnancy that cause the problems with blood sugar levels
due to morning sickness, which causes them to eat less than they
normally do. Therefore careful planning surrounding the first three
months regarding blood sugar levels is essential. Remember to
consume small meals frequently. Record blood sugar levels.
The delivery
Constant monitoring is essential during a diabetics pregnancy, as a
time for delivery has to be decided upon. In comparison to a normal
full-term pregnancy a diabetic will have more amniotic fluid and a
greater blood supply to the foetus. Due to this lack of stress the
delivery is not started naturally. Careful monitoring of fetal size
and gestational age is vital for a diabetic mother.
Gestational diabetes
This diabetes is related to pregnancy and can appear in
the second half of the pregnancy, even after you have already had
three or four babies.
You can be tested for gestational diabetes by a blood test.
You have more chance of developing gestational diabetes if you
are over 25, your last baby was over 9 pounds, being over weight or
hypertensive.
If you do develop gestational diabetes you will be required to
follow a special diet as well as regular monitoring of your blood
sugar levels.
Will I need to take insulin if I have gestational
diabetes?
Insulin is usually not required as diet is a good control. However
in severe cases when blood sugar levels are so high it may be
required, but only for the length of the pregnancy. Without such
high blood sugar levels a normal sized baby should result, and
normal sized babies are rarely still born.
Will I still have gestational diabetes when pregnancy is
over?
After your pregnancy you will find that your blood sugar levels
will return to normal. You should however be weary that there will
be a possibility of gestational diabetes returning in further
pregnancies. You will also have a greater risk of getting adult
diabetes later in life.