 [ Symptoms ] core heat suffering hello i read pipermartin is question about why she has this inner body heat but no fever she posted the questions in 2012 my elderly 83 year old mom has been suffering from something as you described she has no fever but feels she is burning up inside i wanted to find out if pipermartin ever descovered what cause her problems the doctors do not know what is causing it any suggestiions [ Disease ] if she is in her ovulation period then better to take an emergency contraceptive pill ovulation occurs 14 days prior to the expected menses imagine her periods is of 28 days then unsafe days are from 11th day of menses to 20th day ovulation is unpredictable as the cycles of menses so such a long unsafe period for extra safety if you had sex before 11 days and after 20 days of first menstrual day then chances of pregnancy are very less you need not take i pill if not then take i pill at the earliest for further doubts consult an obstetrician and gynaecologist online   > <link>