I am 36 year old married women(height 4.4 and weight-60) , my period was on 22 me and my husband inter-coursed on 28 nov , I have taken the ipill on 29 th November now from this week dec 9,10 I am feeling lower back and lower abdomen pain and also no with drawl bleeding happened. I am getting scared of unwanted pregnancy could you please guide here , I am getting worried your suggestion helps a lot, thank you in advance