hi, can u help out with my friend s problem she got her periods 8 days late but normally she gets it on regular and she used withdrawl method while having sex with her partner the worry is that she has a metalic taste in her mouth and back pain and sometimes stomach cramps and her bleeding started very light red and brownish she had irregular periods last month which lasts for 2 weeks and it was 2 weeks before her periods due and this month 8 days can u pls help by