The embryo now has three distinct layers: the ectoderm (future nervous system, skin), mesoderm (future heart, bones, muscles), and endoderm (future digestive system, lungs). The neural tube, which becomes the brain and spinal cord, begins to form.
mother_symptoms
Morning sickness may start now, along with mood swings, food aversions or cravings, and continued fatigue. Your blood volume is increasing.
tips_and_recommendations
Stay hydrated and eat small, frequent meals to help manage nausea. Get plenty of rest as your body is working hard.
