Table 2. Numerical details for the EPM data.

	Male				Female
	Early pregnancy		Late pregnancy		Early pregnancy		Late pregnancy
	Control	BPA	Control	BPA	Control	BPA	Control	BPA
	(n=9)	(n=12)	(n=11)	(n=9)	(n=9)	(n=10)	(n=11)	(n=15)
Total distance (m)	9.9 ± 0.6	9.3 ± 0.6	9.3 ± 0.7	8.5 ± 1.0	9.8 ± 0.7	9.7 ± 0.7	11.0 ± 0.6	8.9 ± 0.5 b)
Time spent in the OA (%)	20.4 ± 4.1	23.6 ± 4.2	28.0 ± 5.0	28.8 ± 5.9	32.9 ± 4.3	36.3 ± 6.3	33.4 ± 5.4	22.0 ± 4.0 a)
Time spent in the CA (%)	34.9 ± 4.6	31.7 ± 3.5	30.0 ± 4.3	38.9 ± 6.5	26.0 ± 4.4	25.5 ± 4.3	28.9 ± 4.0	35.3 ± 3.8
Time spent in the CE (%)	44.7 ± 3.9	44.8 ± 2.9	42.0 ± 3.5	32.3 ± 3.4 a)	41.1 ± 3.5	38.2 ± 3.1	37.7 ± 2.9	42.7 ± 2.6
Entries in the OA	5.9 ± 0.9	5.5 ± 0.7	5.9 ± 1.4	6.2 ± 1.1	8.7 ± 1.1	7.3 ± 1.1	8.1 ± 1.1	5.3 ± 0.7 a)
Entries in the CA	9.7 ± 1.2	9.4 ± 1.0	9.5 ± 1.3	7.7 ± 1.5	6.2 ± 1.0	8 ± 1.2	10.0 ± 1.1	8.7 ± 1.0

OA, open arms; CA, closed arms; CE, center region; a) P<0.05 compared with controls; b) P<0.01 compared with controls.