Bleeding after menopause: a rice husk in her uterus

Author: Jessica Lloyd
Senior Vulvovaginal Specialist Naturopath | BHSc(N) | ISSVD, ISSWSH, BSSM, ATMS

Last reviewed: July 14, 2026

A 60-year-old woman turned up at a hospital in eastern India with bleeding after menopause. Her scan showed a thickened uterine lining and an odd bright speck in the cavity, so she was booked in for a hysteroscopy and biopsy.¹

What her doctors found was a golden fragment of paddy husk, 1 cm by 0.5 cm, stuck to the lining of her uterus. Operative hysteroscopy and forceps got it out, the biopsy showed no hyperplasia and no cancer, and the bleeding stopped.¹

This was a foreign body lodged in the uterine lining that required survey to remove.¹ Objects left in the genital tract can inflame and ulcerate the lining they sit against.⁵

Bleeding after menopause is always investigated, because until proven otherwise it is treated as possible cancer. A full work-up revealed the surprise rice husk, not cancer.

How does a rice husk get into a uterus?

The authors report the detail that makes the case: she was an agricultural worker.¹ Paddy husk is the chaff, the papery shell of the grain, and rice work means constant contact with it.

Their explanation was accidental vaginal introduction during agricultural work, then gradual ascending migration up the cervical canal, helped along by uterine contractions.¹

What the transport evidence actually shows

The evidence for that upward journey is thin. The study usually reached for is from 1961: carbon particles placed in the posterior vaginal fornix, the recess sitting against the cervix, were recovered from the fallopian tubes about 30 minutes later, in two of three women.² Three women, all anaesthetised and awaiting hysterectomy, with no controls.²

When the experiment was repeated with India ink, it reached the tubes in more than half of patients when placed in the uterine cavity, and in nearly a third from the cervical canal. From the vagina, it got there just once in 37 observations, and the author concluded that ink deposited below the cervix is unlikely to travel quickly.³

The uterus itself does run a peristaltic pump, beating cervix to fundus before ovulation and moving sperm-sized particles up into the tubes within minutes.⁴ But those particles were placed at the external opening of the cervix, not in the vagina, and the pump is driven by the dominant follicle and was studied in cycling women.⁴ She was 60, and a 1 cm husk is orders of magnitude larger than anything those studies moved. Getting from the vagina through the cervix is the step nobody has shown reliably, and it is the weakest link in the case.

What nobody knows

The case report cannot tell you how the husk got there, and does not pretend to. It says ‘most plausible explanation’ and stops.¹ It does not say when the husk went in or what put it in the vagina, no pessary, coil, procedure or injury is reported,¹ and nothing suggests deliberate placement, which the literature does list among the general causes of genital foreign bodies.⁵

Introduction during the hysteroscopy is unlikely: the ultrasound had already recorded an irregular hyperechoic focus before any instrument was passed.¹ The paper contradicts itself here, its discussion saying the foreign body was not detected on ultrasonography.¹ The likeliest reading: the sonographer saw the focus without recognising it as a foreign object.

What follows is our speculation, and we label it as such. She had given birth five times, and the authors raise a parous cervical os, and the ciliary action of the endocervical cells, as a general route for small foreign bodies.¹ Add years of daily exposure and the squatting and lifting of field work, and slow migration is easier to picture. But the paper says none of this, and the transport evidence does not carry it. It is a guess.

Why a rice husk made her bleed

Her endometrium was atrophic, and her vagina pale and atrophic.¹ In an oestrogen-deficient tract, where the epithelium is thin, poorly supplied with blood and fragile, even a small object rubbing on the lining produces micro-erosions, focal inflammation and bleeding.¹

A retained foreign body is its own disease

Objects left in the genital tract for a long time can lead to chronic inflammation, mucosal ulceration, granulation tissue and secondary infection, and in extreme cases have eroded into the bladder or bowel and produced fistulas.¹ A retained object is a nidus for infection, sustained pressure can cause necrosis, and the chronic inflammation has been implicated in carcinogenesis at the site.⁵

What this means for your vagina

After menopause the vaginal tissue thins, protective bacteria dwindle and the pH climbs. This is genitourinary syndrome of menopause (GSM). Anything retained gives disruptive bacteria a surface to build on, so removal is only the first step. If discharge or smell persists, a comprehensive vaginal microbiome test will show what moved in, and you can book an appointment with one of our practitioners.

Bleeding after menopause is always investigated

A meta-analysis of 129 studies, covering 34,432 women with postmenopausal bleeding, found 9 per cent had endometrial cancer, with estimates ranging from 5 per cent in North America to 13 per cent in Western Europe, though that spread was not statistically significant.⁶ So most bleeding after menopause is not cancer. American guidance names atrophy of the vagina or endometrium as the usual cause,⁷ polyps are another common one,⁶ and guidance treats hyperplasia alongside cancer as what the work-up exists to find.⁷ But about nine in ten women with endometrial cancer had reported bleeding,⁶ and there is no way to tell from home which group you are in.

Until this year, ultrasound first was a reasonable option: with a first episode of bleeding and a low prior probability of cancer, a thin endometrium of 4 mm or less could stand in for a biopsy, though persistent or recurrent bleeding needed tissue sampling regardless of thickness.⁷

In April 2026 the default flipped. American guidance now recommends ultrasound plus tissue sampling for most people with postmenopausal bleeding, citing recent data suggesting that 5 to 12 per cent of endometrial cancers go undetected at initial presentation when ultrasound is used alone.⁸ Ultrasound on its own survives as a narrow carve-out: a single episode, a fully visualised endometrium no thicker than 4 mm, no strong risk factors, counselling that continued or recurrent bleeding means immediate re-evaluation, and no significant barriers to prompt gynaecological care.⁸

That ‘fully visualised’ condition matters. Among 1,494 Black patients who had a hysterectomy after a pelvic ultrasound, 210 of whom turned out to have endometrial cancer, a 4 mm cut-off would have missed 9.5 per cent of the cancers, and a 5 mm cut-off 11.4 per cent. The usual risk factors did not improve it, and a partially visible endometrium made it far worse, missing 26.1 per cent.⁹

ACOG’s revision cites rising endometrial cancer incidence, the insensitivity of endometrial thickness for high-grade tumours, and the excess of endometrial cancer incidence and death among Black women, for whom it says the combined approach is particularly important.⁸

At 8 mm she was well past any reassuring threshold, and only a hysteroscopy could show what was in there.

This article is general information and not a substitute for personalised medical advice. Any bleeding after menopause should be assessed by a doctor promptly.