Table 1.

Clinical characteristics of the patients and expression level of S100P mRNA

Group	Age (Y)(Mean ± SEM)	Menstrual cycle	Reason for termination	mRNA of S100P/GAPDH(Mean ± SEM)
First-trimester placenta	26.6 ± 3.0	Regular	Inevitable abortion	33.582± 7.001*
Second-trimester placenta	26.8 ± 3.2	Regular	Cervical incompetence or fetuscheilognathopalatoschisis	25.488± 5.854
Full-term placenta	27.3 ± 3.6	Regular	No medical reasons	30.014 ± 6.922

The three groups contain 16, 10, and 12 samples, respectively. Data are presented as mean ± SEM of normalized expression values against internal controls (GAPDH mRNA). *; P>0.05. We analyzed the data using Levene’s test and one-way ANOVA.

The level of significance was set at p<0.05.