Metabolic Actions of Insulin and Glucagon Fatty acid uptake and release in fat. Insulin Stimulates synthesis of triglycerides (TG) from free fatty acids (FFA); inhibits release of FFA from TG. Glucagon Stimulates release of FFA from TG.
What causes dizziness during pregnancy? The main cause of dizziness in pregnancy is due to the rising hormones that cause your blood vessels to relax and widen. This helps increase the blood flow to your baby, but it slows the return of the blood in the veins to you.
Reasons You Might Get Dizzy. One of the things that changes drastically in pregnancy is how much cardiac output ramps up. This can increase up to 30-50% in pregnancy and starts fairly early on in gestation. As your body adapts to pregnancy, your heart works harder and you have more blood volume to take care of your needs and the needs of your baby.