This is part 3 in my Pregnancy and Birth Outcomes Analysis and continues to explore potential relationships of fetal macrosomia.
Comparing Average Fetal Weights for Women With Diabetes, Gestational Diabetes and No Diabetes
It seems that either women who have gestational diabetes are doing a great job controlling it, or that gestational diabetes does not affect baby birth weight by that much. However having diabetes pre-pregnancy does seem to influence the baby's birth weight quite a bit more.
- There was an approximate 1.5oz difference in weight between babies whose mothers had GD versus those whose mother's did not have diabetes.
- There was an approximate 4.6oz difference in weight between babies whose mothers had diabetes before they got pregnant versus those whose mother's did not have diabetes.
- There was an approximate 3.2oz difference in weight between babies whose mothers had GD versus babies whose mother's had diabetes before they got pregnant.
- The confidence intervals do not overlap so the differences are statistically significant.
See here to see information about the data.
- I used sql server to calculate an average baby weights for women who's baby's were full-term (37 weeks or later and were put in the following groups
- Had diabetes before they got pregnant (did not distinguish between Type 1 or Type 2)
- Diagnosed with Gestational Diabetes
- Did not have diabetes
- The confidence intervals were calculated in the same manner as this post.