Why do planes affect periods?
Why do planes affect periods? Jet lag is likely to affect your cycle Whenever your sleep cycle gets disrupted, there's a possibility for your menstrual cycle to fall out of order as well. If you're switching time zones, your circadian rhythm (the body's inner clock) also falls out of balance.
Can flying mess with your period?
Disturbing your circadian rhythm may cause a delay in the oestrogen spike that leads to ovulation, so you'll have a later period than normal that month. Not only can jet lag affect your period but it might cause all kinds of other changes in your body – irritability, exhaustion, stomach upset and a lack of appetite.
Does flying affect ovulation?
Although some people may notice a change in their menstrual cycle and ovulation during or after a trip, the majority are unaffected. Travel can certainly agitate and manipulate the timing of ovulation, but so can just about anything that causes a lot of stress.