Having irregular periods isn’t uncommon; in fact, 14 to 25% of women experience irregular cycles at some point during their fertile years and there are different reasons for that such as (PCOS, ovarian insufficiency, thyroid disorders, hyperprolactinemia, uterine fibroids, polyps, endometriosis, different coagulopathies and many others). But having irregular cycles doesn’t mean that you won’t be able to fall pregnant naturally.