During a girls cycle an unfertilized egg sheds on the uterine wall. This mainly lasts for about 7 days. When a unfertilized egg reaches the unterine wall it tens to shed which makes it a cycle.
A girls menstrual cycle is an unfertilized egg sheds on the uterine wall. This lasts for about 5-7 days. When a unfertilized egg reaches the unterine wall it tends to shed which makes it a cycle. This happens every month unless pregnant. It doesnt happen when pregnant due to the egg being used not needing to be released to the uterine wall.
That means they could've cheated or broke up and if they don't reply to you in a while just move on and say I want to break up with you because that's sketchy stuff
