Hi there.. ok years ago i started with the pulling pain on my right side lower tummy area but few yearz later a Dr said i had a hernia so i had surgery for it jan 2013 , then like 2 weeks later i felt loud pop in my stomach so i brought it up to the same dr , you know wonderin if the mesh popped out he said no.. he didnt really check ,he did no ultrasound nothing.. but since then every month bout week or week and half before i start my menstrual i getting that hard pulling pain again kinda feel like a baby kickin you while being pregnant but i am not prego.. and also since the surgery and since i heard and felt the pop now like i said bout week to week and half before my mentrual i also getting i cant tell if its nail polish remover taste or metallic taste and these symptoms are only before i start.. i hope you can give me idea what this is...