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Table 1 Patient and tumor characteristics

From: Contemporary multidisciplinary treatment of pregnancy-associated breast cancer

 Demographic (N = 74) Number Percent
 Age at diagnosis (years)
 Less than 30 11 14.9
 30-34 26 35.1
 35-39 29 39.2
 ≥40 8 10.8
 Median age at diagnosis:34 (range 25–40)
 Gestational age at diagnosis (weeks)
 0-12 (1st trimester) 25 33.8
 13-27 (2nd trimester) 30 40.5
 28-40 (3rd trimester) 19 25.7
 Race
 White 63 85.1
 Black 4 5.4
 Hispanic 3 4.1
 Asian 4 5.4
 Year of diagnosis
 1996-1999 9 12.2
 2000-2004 19 25.7
 2005-2009 31 41.9
 2010-2012 15 20.3
 Outcome of pregnancy
 Delivery of liveborn infant(s) 68 91.9
 Miscarried in 1st trimester 1 1.4
 Terminated in 1st trimester 5 6.8
 Disease stage
 0 1 1.4
 I 19 25.7
 II 42 56.8
 III 10 13.5
 IV 2 2.7
 Tumor subtype
 ER/PR Positive 46 62.2
 HER2 Positive 25 33.8
 Triple Negative 14 18.9
 BRCA status
 Genetic testing performed 50 67.6
   BRCA 1 or 2 positive (N = 50) 6 12.0
   BRCA 1 and 2 negative (N = 50) 44 88.0
 Genetic testing not performed 24 32.4
  1. Abbreviations: ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2.