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.
Pregnancy and Headaches. Headaches During Pregnancy: Causes and Treatment. Headaches are one of the most common discomforts experienced during pregnancy. Headaches may occur at any time during your pregnancy, but they tend to be most common during the first and third trimesters. During the first trimester, your body experiences a surge of hormones and an increase in blood volume.