Annika feels weak, nauseated, and has severe pain in the pelvic region, because of which she is unable to go to school. these symptoms occur at no other time. a likely diagnosis of annika's condition is ?

Primary dysmenorrhea

Explanation:

Annika is having a condition known as Primary dysmenorrhea. This condition is associated with a cramping pain felt in the lower abdomen and occurs during or prior to menstruation, as long as the individual is not suffering from other diseases like endometriosis. It is very common in ladies with about 90 percent prevalence. It usually begins in the adolescence.