Asherman's syndrome
Acquired uterine scarring causing infertility and menstrual issues.
Asherman's syndrome is an acquired condition where scar tissue, known as adhesions, develops inside the uterus or cervix. In many cases, these adhesions cause the front and back walls of the uterus to stick together. The syndrome can result in menstrual irregularities, infertility, and problems with the placenta. The first known case of intrauterine adhesion was reported in 1894 by Heinrich Fritsch, but it wasn’t until 1948 that Joseph Asherman provided a complete description of the condition. Other names for it include uterine or cervical atresia, traumatic uterine atrophy, sclerotic endometrium, and endometrial sclerosis.
There is no single cause of Asherman's syndrome. Risk factors include myomectomy, cesarean section, infections, age, genital tuberculosis, and obesity. Research into genetic predisposition is ongoing. Some studies indicate that a severe pelvic infection, even without surgery, can trigger the condition. It can also occur in women who have never had uterine surgery, trauma, or pregnancy. While rare in North America and Europe, genital tuberculosis is a cause of Asherman's syndrome in countries like India.
The condition was first documented in 1894 by Heinrich Fritsch and later more fully characterized by the gynecologist Joseph Asherman in 1948. It is also referred to as Fritsch syndrome or Fritsch-Asherman syndrome.
Common signs include a reduced flow and shorter duration of menstrual bleeding—such as absent, very light, or infrequent periods—as well as infertility. Menstrual changes do not always match the severity of the adhesions; for instance, scars limited to the cervix or lower uterus can block menstruation. Pain during menstruation or ovulation may occur due to these blockages.
The uterine cavity is lined by the endometrium, which has two layers: a functional layer shed during menstruation and a basal layer that regenerates the functional layer. Trauma to the basal layer—often from a dilation and curettage (D&C) performed after a miscarriage, delivery, or abortion to remove retained products of conception—can lead to intrauterine scars and adhesions that may partially or completely obliterate the cavity. In one series from 1896, 88% of cases followed a D&C. In severe cases, the entire cavity can become scarred and closed off. Even with few scars, the endometrium may stop responding to estrogen.
Asherman's syndrome affects women
- first_described_by
- Heinrich Fritsch (1894)
- fully_characterized_by
- Joseph Asherman (1948)
- field
- Gynecology
- also_known_as
- Fritsch syndrome, Fritsch-Asherman syndrome
- key_feature
- Intrauterine adhesions
Lore & Background
The condition was first published in 1894 by Heinrich Fritsch, but it was not until 54 years later that Joseph Asherman provided a full description. Several other terms have been used, including uterine/cervical atresia, traumatic uterine atrophy, sclerotic endometrium, and endometrial sclerosis. There is no single cause; risk factors include myomectomy, cesarean section, infections, age, genital tuberculosis, and obesity. Genetic predisposition is being investigated, and severe pelvic infection independent of surgery may cause AS. While rare in North America and Europe, genital tuberculosis is a cause in countries such as India.
Reader's Guide
Asherman's syndrome is significant because it is a treatable cause of infertility and menstrual abnormalities, yet its diagnosis can be challenging. The gold standard for diagnosis is hysteroscopy, and treatment involves operative hysteroscopy to remove adhesions, though adhesions frequently reform. Prevention strategies include using medical alternatives to dilation and curettage (D&C) such as misoprostol, performing D&C under ultrasound guidance, and using mechanical barriers or gels after surgery. The condition affects women of all races and ages equally, and its severity does not always correlate with symptoms—mild adhesions can cause amenorrhea and infertility. The legacy of Asherman's work lies in the recognition that trauma to the basal layer of the endometrium, often from D&C, can lead to scarring, and that careful surgical technique and alternative treatments can reduce risk.
Did You Know?
- The first case of intrauterine adhesion was published in 1894 by Heinrich Fritsch.
- Asherman's syndrome can develop even if a woman has not had any uterine surgeries, trauma, or pregnancies.
- Genital tuberculosis is a cause of AS in countries such as India, though rare in North America and Europe.
- An artificial form of AS can be surgically induced by endometrial ablation in women with excessive uterine bleeding.
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