I wouldn't worry quite yet - do as Lil and Lou suggest. It may also be that your travel schedule and exertions have thrown your body for a loop. Treat yourself gently and wait for your next cycle to start. If you are still bleeding after a couple of days, it may be best to head to the clinic.

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Life is too short not to love and be loved....preferably multiple times in one night.

I think men talk to women so they can sleep with them and women sleep with men so they can talk to them. ~ Jay McInerney