Retained products of conception (RPOC) and its homoeopathic therapeutics

Dr Anjum Fathima Warsi

Abstract
Retained products of conception (RPOC) denote the retention of placental or trophoblastic tissue within the uterine cavity following miscarriage, induced abortion, or childbirth, and represent an important cause of post-pregnancy hemorrhage, infection, infertility, and maternal morbidity. Diagnosis is primarily established through ultrasonography, often supplemented with Doppler evaluation, while treatment options include medical therapy, surgical evacuation, and hysteroscopic removal—the latter being associated with improved reproductive outcomes. The aim of this paper is to review the clinical aspects of RPOC and highlight relevant homoeopathic therapeutics described in classical materia medica. In homoeopathy, prescriptions are based on the totality of symptoms, and it may be used as alternate treatment under appropriate supervision.

Keywords: Retained products of conception; Retained placenta; Post-abortion complications; Homoeopathic therapeutics; Hemorrhage; Lochia.

Introduction
Retained products of conception (RPOC) refer to residual trophoblastic or placental tissue that remains in the uterine cavity after miscarriage, induced abortion, or delivery (vaginal or cesarean). They are a significant cause of post-pregnancy complications and may lead to both short- and long-term morbidity if not properly managed.

Global Context: Abortion Burden and Risk
Globally, approximately 73 million induced abortions occur annually. 10–25% of pregnancies end in miscarriage. Unsafe abortions contribute to 4.7–13.2% of maternal deaths worldwide.

In countries like India, abortion is legal, yet unsafe practices persist due to access barriers. 15.6 million abortions annually (India, 2015 data). Only 22% performed in healthcare facilities. Approximately 10 women die daily in India due to unsafe abortion complications. Given this high burden, RPOC remains a frequent and sometimes underreported complication.

 Incidence of RPOC

• ~1% after term pregnancy
• 4–3.8% after early pregnancy loss
• Up to 15% after abortions (some reports)
• Higher incidence in infertility patients
• 13% after manual vacuum aspiration (MVA)
• 4% after medical abortion.

Clinical Presentation

• Irregular or continuous vaginal bleeding
• Lower abdominal/pelvic pain
• Vaginal discharge (infection)
• Dilated cervix on examination

Diagnosis

1. Ultrasonography (USG)

First-line, non-invasive tool. High sensitivity, low specificity. Endometrial thickness ≥15 mm (2 weeks post-abortion) suggests RPOC. Hyperechoic intrauterine lesion indicates high negative predictive value.

2. Color Doppler

Helps distinguish RPOC from hematoma. Assesses vascularity. Used in Gutenberg Classification.

Gutenberg Classification (Ultrasound Patterns):

Type 0: Avascular hyperechogenic mass

Type 1: Minimal/no vascularity

Type 2: Highly vascular mass (confined to cavity)

Type 3: Highly vascular mass + vascular myometrium

3. Serum Beta hCG

Helps exclude gestational trophoblastic disease (GTD). Elevated in hydatidiform mole and placental site trophoblastic tumor (PSTT).

4. Advanced Imaging

CT angiography: Defines vascular anatomy.

MRI/MR angiography: Useful in AVM differentiation.

Complications

• Intrauterine adhesions (IUA)
• Asherman’s syndrome
• Subfertility/infertility
• Placental polyps
• Enhanced myometrial vascularity (EMV)
• Arteriovenous malformation (AVM)
• Rarely, osseous metaplasia

Management

Medical Management
Progestins, GnRH analogues, Methotrexate

Surgical Management

• Dilatation & Curettage (D&C) – Traditional, blind procedure. Quick and widely available. Higher adhesion risk (17–30%).
• Suction Evacuation – Less traumatic than D&C. Safer and more specific.
• Hysteroscopic Resection – preferred method as it allows direct visualisation, lowers complication rates, reduces adhesion formation, offers better fertility outcomes and allows targeted removal of retained conceptus.¹

Homoeopathic Therapeutics

Cantharis
Retained products with acute uterine inflammatory reaction, burning pains, severe urinary irritation and intolerable pelvic tenesmus. Burning as from fire. Violent urging in bladder and rectum; hemorrhage with great irritation. Cutting, burning pains before, during and after urination. Great sexual excitement. Dark, clotted blood.

Sabina
Profuse bright red hemorrhage with characteristic pain from sacrum to pubis. Active uterine congestion, Violent hemorrhage – blood partly fluid, partly clotted. “Least motion increases bleeding”—tendency to miscarriage at third month. Hemorrhage with uterine atony.

Secale cornutum
Passive hemorrhage; dark, thin, offensive blood; absence of pain; cold but wants to be uncovered. Uterine inertia. Oozing, continuous bleeding, great debility. Shriveled appearance.
Hemorrhage during climacteric or after abortion.

Pulsatilla
Retention due to weak uterine contractions in mild, emotional, thirstless patients. Uterine inertia; retained placenta from lack of expulsive power. Mild, gentle, yielding temperament. Changeable symptoms. Thirstless. Shifting pains. Weeps easily. Better in open air. Suppressed or delayed lochia.

Caulophyllum
Inefficient, spasmodic contractions leading to incomplete expulsion. Deficient uterine tone. Uterus does not act in harmony. Tendency to habitual abortion. Sharp, flying pains. Rigidity of cervix. Weakness of female organs.

Cinchona (China)
Marked weakness and collapse state after heavy bleeding. Faintness. Sensitive to touch. Great exhaustion, ringing in ears after blood loss. Anemia. Collapse tendency after postpartum hemorrhage.

Ipecacuanha
Bright red hemorrhage accompanied by unrelieved nausea. Constant nausea not relieved by vomiting. Bright red bleeding. Gushes of blood. Clean tongue. Uterine hemorrhage with continuous nausea and faintness.

Belladonna
Early acute inflammatory stage with vascular excitement and throbbing pain. Acute uterine congestion. Throbbing arteries; heat, redness, sudden onset, sensitive abdomen, flushed face, hot bleeding; intolerance of jar. Metritis; bright red hemorrhage; high fever. Desires lemonade.

Viscum album
Chief remedy in retained placenta with ongoing bleeding and uterine inertia. Marked action on uterus and placenta. Retained placenta; helps expulsive uterine contractions. Metrorrhagia with dark or clotted blood. Uterine subinvolution; chronic endometritis. Bearing-down pains with sacral stiffness.

Mercurius solubilis
Indicated when retained products lead to septic/inflammatory condition. Profuse, offensive lochia; prolonged discharge. Tendency to suppuration and septic states. Soft, flabby tissues; delayed healing. Night sweats, salivation, glandular swelling. Offensive odor from mouth. Cannot tolerate both heat and cold.

Allium sativum
Mentioned clinically for retained placenta (Clarke). More marked on mucous membranes & digestion. Colic, flatulence, sluggish portal circulation. Not a primary uterine remedy; used when systemic symptoms correspond.

Sepia
Useful in RPOC cases with uterine weakness and pelvic relaxation. Uterine atony, subinvolution. Bearing-down sensation “as if everything would protrude.” Tendency to abortion; pelvic congestion. Weak, exhausted, indifferent women. Sensitive to cold. Aversion to company.^{2 – 5}
Conclusion
Retained products of conception (RPOC) represent a significant post-pregnancy complication with potential short- and long-term consequences, including hemorrhage, infection, intrauterine adhesions, infertility, and vascular abnormalities. Early diagnosis through ultrasonography and appropriate classification systems enables timely and targeted management. Although surgical evacuation and hysteroscopic resection remain the cornerstone of contemporary treatment, they may carry procedural risks and financial burden. Individualized Homoeopathic treatment may be considered as an alternative method in treating Retained products of conception (RPOC). Homoeopathy aims not only to address the present condition but also to reduce the tendency toward recurrent hemorrhage, abortion, and constitutional weakness, promoting holistic well-being. An integrated approach combining prompt medical evaluation, evidence-based intervention, and individualized supportive care is essential for achieving optimal maternal outcomes.

References:

1. Chawla S, Sharma R. Retained Products of Conception (RPOC): Diagnosis, Complication & Management. J Obstet Gynaecol India. 2023 Oct;73(5):374-380. doi: 10.1007/s13224-023-01873-6. Epub 2023 Oct 24. PMID: 37916054; PMCID: PMC10616057. Available from: https://pmc.ncbi.nlm.nih.gov/articles/PMC10616057/#:~:text=Introduction,are%20safe%20and%20efficient%20alternatives.
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Dr. Anjum Fathima Warsi
PG Part II, Department of Homoeopathic Materia Medica.
Under the Guidance of Dr. Ashok Kumar Dantkale
Professor and PG guide, Department of Homoeopathic Materia Medica,
Government Homoeopathic Medical College and Hospital, Bangalore.
Email Id: anjumfathimawarsi@gmail.com