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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Obstet Gynecol. 2020 May;135(5):1177–1183. doi: 10.1097/AOG.0000000000003834

Table 2.

Pregnancy prevalence and admissions of pregnant people in U.S. jails, 2016–2017

Prison System Total Female Census, 12/31/16 Pregnancy Prevalence, 12/31/16
No. (% of all females)
Total Female Census, 4/31/17 Pregnancy Prevalence, 4/31/17
No. (% of all females)
Total number of admissions of pregnant females, 12 months Admitted females who were pregnant, December, 2016, No. (% of admitted females) Admitted females who were pregnant, April, 2017, No. (% of admitted females) Median admissions of pregnant females per month
No. (range)
Median number of pregnant females, on the last day of the month
No. (range)
Cook County 502 14 (2.8%) 539 28 (5.2%) 265 18 (3.9%) 16 (2.9%) 22.5 (11–32) 18.5 (11–39)
LA County 1781 54 (3.0%) 1963 60 (3.1%) 445 34 (2.4%) 30 (1.9%) 34.5 (22–50) 56 (48–65)
Rikers Island 545 6 (1.1%) 608 6 (1%) 117 11 (3.4%) 5 (1.3%) 9.5 (5–18) 8.5 (6–18)
Texas Jails 1851 87 (4.7%) 1119* 61 (5.5%)* 742 29 (4.7%)* 22 (3.4%)* 29.5 (2–58) 44.5 (26–69)
W. Mass 231 11 (4.8%) 258 5 (1.9%) 53 3 (1.7%) 2 (1.2%) 3.5 (2–9) 10 (5–17)
Total 4910 172 (3.5%) 4487 160 (3.6%) 1622 95 (3.2%) 75 (2.3%) 23 (252) 27.5 (569)

Numbers and percents are total counts (not samples) in the jails included in this study.

*

Represents only one of the two Texas jails.