anovulatory cycle in a sentence

1. In anovulatory cycles using progestogen-only contraceptives, the endometrium is thin and atrophic.
2. Polycystic ovary syndrome ( also known as Stein-Leventhal syndrome ) and hyperprolactinemia can also cause anovulatory cycles through hormonal imbalances.
3. For example, anovulatory cycles can occur as a result of adopting a restricted diet, as well as engaging in a high amount of exercise.
4. It's difficult to find anovulatory cycle in a sentence.