Reaction

Biopsy Breast Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 94 reports · 4 co-occurring drugs

As of the last recalculation, Biopsy Breast Abnormal appears in 94 FAERS reports alongside 4 co-occurring drug terms. The strongest observed disproportionality signal is CONJUGATED ESTROGENS AND MEDROXYPROGESTERONE ACETATE (PRR 302.0).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.

Drug	Co-reports	PRR	ROR
Conjugated Estrogens And Medroxyprogesterone Acetate	24	302.0	302.3
Conjugated Estrogens	33	192.6	192.7
Estrogens, Conjugated	33	189.1	189.2
Medroxyprogesterone Acetate	29	185.9	186.0

Related reactions

Drug Ineffective
Off Label Use
Death
Nausea
Fatigue

Data source: openFDA FAERS. See the OpenPV methodology and limitations.