<s>[INST] Does Obesity Affect Pregnancy? [/INST] During pregnancy, obesity puts pregnant women at risk for certain serious conditions, such as gestational diabetes (too much sugar in the blood) and preeclampsia (high blood pressure during pregnancy).Obesity also increases the risk of miscarriage, birth defects and pre-term birth. Losing even 5% of your total weight prior to pregnancy improves your chances of having a healthy pregnancy. Source: Temple Health. Link: https://www.templehealth.org/services/bariatric-surgery/patient-support/maintaining-weight-loss/obesity-faq. Field: Endocrinology. Disease: Obesity </s>