My period is often late ?

Question

It used to be regular every month and it takes 5 days with me , but since i lost some weight , its often late and so weak !! it makes me swollen and feel blown for days ! that feels so bad .. I am 20 yrs old .. 99 pounds and 5'2 ft .. Is that unhealthy weight !? Or it could be something else ?

Answer 1

No I think you are just slightly underweight for your age, but for your height, you seem healthy. Your period could be late because you lost weight, but also because of stress.