Calories is watching fat intake with food. if you're trying to watch your calories yes it's the fat, because you are trying to eat less fat to maintain a good diet.
sugar crash is to much sugar intake and it makes you fatigue and go to sleep or you feel drowsy and lazy. To much sugar intake is a reason for sugar crash.
Most likely, the person suffers from an ectopic pregnancy.
Symptoms include abdominal pain, and vaginal bleeding.
During the "ectopic preganancy", the embryo attaches outside the uterus.
Unusual or prominent convexity of the abdomen, due to excessive subcutaneous fat, poor muscle tone, or an increase in the contents of the abdomen.