What can I do. Invesgating my womb!

For the last three year after having my son I've been have a lot of bleeding and pain 1st year bending sitting down to hard and pain and bleeding after sex in a month I would be 2-3 week gp told me not to worry 2nd year all of that but the I started bleeding for 3 weeks n started have trouble walking and getting out of bed, the pains so bad so he refer me to a gyno 3rd year I only have 4 day if I'm lucky off ive lost 3 stone in under a yar I feel sick( nausea)all the time and so weak my vagaina hurts my back and my stomach, i feel drained i cant stop crying I stay on the floor 3 hours because I can not get up my gp  has to come to me my gyno keeps throbbing me off and just wanted to send me to a pain clinic and give me a tablet to stop bleeding, not even invesgate so we had I argument it took her a year and a month to consider me for keyhole they have checked my appendix bladder ovaries but she refusing to check my womb which before I agree to the op we spoke about invesgating my womb