Plz help periods nai aa rahe hai laste date 21 Dec thi n meri frnd ne 27 Dec ko sex kiya tha usne three times check kiya but teeno time n vo three alag brand ki pregnancy kit se negative aya result n still no period please n usne deviry 10 mg 5 days b li koi fark nai hai please help coz she is unmarried n she is only 22 year old plz.

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