Soluble and Endogenous Secretory Receptors for Advanced Glycation End Products in Threatened Preterm Labor and Preterm Premature Rupture of Fetal Membranes

Table 2

Inclusion criteria.

Group	A ()	B ()	C ()
Week of gestation	22–36	22–36	37–41
Signs & symptoms	Uterine contractions of the frequency ≥4 per 60 minutes, documented in CTG record.	Absence of uterine contractions, documented in CTG records.	Absence of uterine contractions, documented in CTG records.
	Bishop score ≥4
	Cervix length ≤25 mm documented in ultrasound scans.	Rupture of fetal membranes confirmed with one of the following: (i) vaginal discharge pH ≥7,; (ii) positive result of Amni Sure test,; (iii) positive result of Amni Prom test.	Rupture of fetal membranes confirmed with one of the following: (i) vaginal discharge pH ≥7,; (ii) positive result of Amni Sure test,; (iii) positive result of Amni Prom test.