Lecithin has a wide range of functions and effects: 1. Lecithin is an essential nutrient for fetal neurodevelopment, and supplementing pregnant women with lecithin in appropriate amounts during pregnancy can promote the healthy development of fetal brain cells; 2. Lecithin can also improve the blood lipid metabolism in the body, and the right amount of lecithin during pregnancy can help prevent hypertension, hyperlipidemia and atherosclerotic diseases during pregnancy; 4, lecithin can also improve the insulin secretion function of the pancreas, and the right amount of lecithin during pregnancy can help prevent gestational diabetes; 5, the right amount of lecithin during pregnancy can also relieve insomnia and emotional instability.