Stress can also lower your levels of estrogen and progesterone hormones, which can make your period irregular. Ruiz says it's not uncommon to experience a missed period in high-stress situations ...
Of course, a missed period can be a sign of pregnancy (and ... According to period-tracking website Flo, delayed menstruation can be due to stress, low weight, excessive training, medications ...
Expanding on the list, Zoe added: “This [changes to your menstrual cycle] can be a missing period, so I lost my period for two years due to the stress of undereating and over exercising.