What to do if I've missed my period after taking an emergency contraceptive pill and had negative pregnancy tests?

It’s not uncommon to experience some changes in your menstrual cycle after taking emergency contraceptive pills (ECP), like the m-pill. These pills can cause temporary disruptions, including delays or even an absence of your next period. Your spotting on May 1st could’ve been breakthrough bleeding, which is a side effect of the emergency contraceptive. Since you’ve taken two home pregnancy tests about a month after the intercourse and both were negative, it’s likely not pregnancy causing your menstrual delay, assuming the tests were performed correctly. That said, the breast tenderness and discharge you’re experiencing could also be related to hormonal fluctuations caused by the ECP. However, there are other possibilities that might need exploration. Stress, significant weight changes, and other lifestyle alterations might also impact your cycle. Even though the circumstances appear non-serious, if your period doesn’t resume soon, or if the symptoms intensify, it would be wise to see a healthcare professional to get a personalized assessment. Blood tests like serum beta-hCG can offer more definitive pregnancy results, and further examination might rule out any underlying health concerns. Pay attention to any other unusual symptoms like severe abdominal pain or persistent spotting, as these might need urgent attention. Meanwhile, tracking your cycle pattern and any symptoms can inform the discussion with your doctor better.