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Table 2 Effects of exposure to PM2.5 on estrous cycles

From: Exposure to environmentally relevant concentrations of ambient fine particulate matter (PM2.5) depletes the ovarian follicle reserve and causes sex-dependent cardiovascular changes in apolipoprotein E null mice

 

Filtered aira

PM2.5a

Cycle length (days)

4.3 ± 0.1

4.6 ± 0.1

% with abnormal cyclesb

0

35

% days with leukocytic cytologyc

39.2 ± 1.4

33.0 ± 2.3

% days with cornified cytology

28.1 ± 1.3

32.8 ± 3.4

  1. aN = 20/group
  2. bNot having 4 or 5 day cycles, P = 0.008, Fisher’s exact test
  3. cP = 0.027, 2-way ANOVA