HELLO, I am 33 with two children. I had my last period on 2 April and did not get again in May (17 days up). The self-test for pregnancy has been negative a week ago. The urine test by nurse today was also negative. I had spotting 2 days ago and today (the days when I walked). My body has been swelling since I terminated breastfeed in October last year. My tummy feels bloated than usual. I had extreme fatigue 2 weeks ago, but last week I have been fine. What could be the possible problem?