The GP referral pathway for unexplained bleeding in post menopausal women is that any bleeding is assumed malignant until proven otherwise (although most bleeding in post menopausal women will have benign causes).
The "2WW" system was changed in October 2023.
I had a late menopause and segued into PMB. Because of this, it's not known when I reached menopause, but probably around the age of 56/57.
I was referred in 2012 under the 2WW for heavy bleeding. I had an ultrasound and internal ultrasound and the cause of my bleeding was determined as
a) a large uterine polyp;
b) a thickened endometrial lining (biopsies showed this to be benign "simple hyperplasia without atypia) which has a very low rate of progressing to endometrial cancer;
c) two large uterine fibroids which can disrupt the endometrium and cause it to bleed.
I had the polyp removed under general anaesthetic which stopped the very heavy bleeding lighter bleeding continued.
The fibroids were considered too large to treat via uterine fibroid embolization (UFE) and too large for myomectomy (operation to cut out the fibroids leaving the uterus in place, which some NHS Trusts are reluctant to carry out, anyway).
I was offered a hysterectomy but declined.
In 2023, I had several very heavy bleeds which were treated with tranexamic acid. I had repeat ultrasound, MRI and CT scan. The largest fibroid had enlarged a little and appeared on MRI to be degenerating (which can cause cramping and bleeding). The endometrial lining was still thickened, but remain "simple hyperplasia without atypia" and there was no evidence of polyps).
We agreed to treat the thickened lining conservatively with insertion of a Mirena IUD. This self expelled about week after it was fitted.
I then tried low dose medroxyprogesterone for 12 months. This has thinned the lining and there is no longer hyperplasia. On ultrasound, I was found to have a small, thin walled ovarian cyst which my gynae is not worried about but the pathway is that the cyst will be monitored in 4 month's time.
I was told I could come off the medroxyprogesterone which I am doing. I have not had bleeding for several days - so we will see how it goes.
There are a number of conditions that can cause post menopausal bleeding which aren't cancerous. I hope you get seen soon and yours will turn out to have benign causation.