So, the unstable blood sugar as a vegan can lead to period problems, and the lack of adequate protein and fat can lead to irregular ovulation which leads to more irregular periods. (nicolejardim.com)
Often, women with irregular ovulation are given a diagnosis of PCOS, even if they are not insulin resistant. (pcosnutrition.com)
Irregular ovulation cycles can mean the chances of getting pregnant will be significantly lower, because it may be more difficult to actually know when ovulation takes place, and also because there may be some hormonal or other disturbances involved that may reduce fertility. (easybabylife.com)