If sperm has been in contact with the vulva but no sexual intercourse took place, there is very little chance of getting pregnant. You acted so quickly by popping the "i-pill" that within an hour of the incident you lowered the risk even further. However, it may cause some mild side effects such as nausea, headache, or irregular bleeding.

Cramping in your thighs isn't rare after a positive­ pregnancy test, notably near your e­xpected menstrual cycle­. Such discomfort arises from bodily transformations during early pregnancy stage­s. Potential reasons include hormonal fluctuations, e­nhanced blood circulation, or the uterus expanding. To find re­lief, consider mild stretching e­xercises, applying warmth pads, and ele­vating your legs while reclining.

If your period is overdue by nearly 40 days, it's important to consider the possibility of pregnancy if you're sexually active. Take a home pregnancy test to confirm pregnancy. If pregnancy is not the cause, other factors like stress, changes in diet or exercise, hormonal imbalances, or underlying medical conditions may be contributing to the delay. 

See a gynecologist for an examination and diagnosis. Sores and lumps in the vaginal area could be caused by STIs, vaginal infections, cysts,etc. Only a doctor can diagnose the cause and provide appropriate treatment. It's essential not to delay medical attention for vaginal concerns to avoid further complications.