. 2014 Jul 1;9(7):e101182. doi: 10.1371/journal.pone.0101182

Table 1. The effect of maternal STAT3 deficiency on fetal and placental parameters at day 18 of pregnancy.

	Stat3^fl/+;Amhr2-cre^-	Stat3^fl/+;Amhr2-cre⁺	Stat3^fl/fl;Amhr2-cre^-	Stat3^fl/fl;Amhr2-cre⁺
Females pregnant/females mated (%)^a	8/9 (89)	7/8 (88)	9/10 (90)	5/7 (71)
Mating interval (days)	6.2±1.6	2.9±0.9	3.2±0.9	2.5±0.7
Implantation sites/litter	7.6±0.4	8.4±0.3	8.4±0.5	9.0±0.9
Viable fetuses/litter	6.9±0.5 (90) ^a	7.7±0.4 (92) ^a	8.2±0.5 (97) ^a	4.2±0.7 (46) ^b
Resorbed fetuses/litter	0.8±0.4 (10) ^a	0.7±0.3 (8) ^a	0.2±0.1 (3) ^a	4.8±0.4 (54) ^b
Fetal weight (mg)	936±28	905±23	869±20	900±49
Placental weight (mg)	110±3 ^a	103±2 ^a	108±2 ^a	135±5 ^b
Fetal: placental weight ratio	8.7±0.4 ^a	8.8±0.2 ^a	8.1±0.2 ^ab	6.9±0.5 ^b

Values are mean ± SD. Data were compared by independent samples t-test. Values with different superscript characters were significantly different P<0.05.