AUB Classification (PALM-COEIN) for NEET-PG & INICET

This is a high-yield topic in NEET-PG & INICET Obstetrics & Gynecology, contributing 1-2 marks per paper. Master the key concepts below, then practise PYQs on Kinase to lock in your score on exam day.

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Quick Answer

AUB classification using PALM-COEIN is heavily tested in NEET-PG & INICET OBG — 1-2 marks per paper. PALM = structural causes (Polyp, Adenomyosis, Leiomyoma, Malignancy). COEIN = non-structural (Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic, Not classified). Reproductive age AUB → think structural; perimenopausal → exclude malignancy.

Key Concepts to Lock In

  • 1PALM = Structural causes — Polyp, Adenomyosis, Leiomyoma, Malignancy/hyperplasia
  • 2COEIN = Non-structural — Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic, Not classified
  • 3Investigation of choice for AUB: Transvaginal Ultrasound (TVS)
  • 4Endometrial thickness >4 mm (postmenopausal): mandatory biopsy
  • 5Adolescent AUB: usually anovulatory; adult: consider fibroid, polyp; perimenopausal: exclude malignancy
  • 6First-line medical: Tranexamic acid + NSAIDs + COCs
  • 7Heavy AUB with fibroids: GnRH agonists, hysterectomy

NEET-PG & INICET Relevance

NEET-PG & INICET SubjectObstetrics & Gynecology
Expected questions1-2 marks per paper
Question typeMostly clinical vignettes; some direct recall
Repeated in last 5 yearsYes — appears in nearly every session

Related High-Yield Topics

Cervical Cancer Screening for NEET-PG & INICET
Obstetrics & Gynecology · 1-2 marks per paper

Pro tip: reading this page once is not enough. Pair the concepts above with 20-30 NEET-PG & INICET-style PYQs on this topic, then revisit after 7 days. Spaced practice is what locks high-yield topics into long-term recall for exam day.

Frequently Asked Questions

Is AUB Classification (PALM-COEIN) for NEET-PG & INICET important for NEET-PG & INICET?▼
Yes. This topic typically contributes 1-2 marks per paper in the NEET-PG & INICET paper, predominantly in the Obstetrics & Gynecology section. It is among the high-yield topics that consistently appear across recent NEET-PG & INICET sessions.
How should I prepare this topic for NEET-PG & INICET 2026?▼
Master the key concepts listed on this page, then practise NEET-PG & INICET-style PYQs on this topic. The most efficient approach: 30 minutes of focused reading followed by 20-30 PYQs to lock in retention. Repeat after 7 days for spaced revision.
Where does this topic fit in the NEET-PG & INICET syllabus?▼
This topic falls under NEET-PG & INICET Obstetrics & Gynecology. Obstetrics & Gynecology carries significant weightage in the NEET-PG & INICET paper. Combine this topic with other high-yield Obstetrics & Gynecology topics for maximum return on study time.
Are PYQs available on this topic in Kinase?▼
Yes. Kinase has thousands of subject-tagged PYQs including this specific topic. Each question comes with a detailed text explanation covering the concept and why other options are incorrect.
Obstetrics & Gynecology subject
1-2 marks per paper
Updated for NEET-PG & INICET 2026

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