[Retracted] Relationship between Serum TSH Level and Adverse Pregnancy Outcome in Advanced Maternal Age

Table 3

The comparison of adverse pregnancy outcomes among the three groups.

Groups	Cases	Cesarean section	Premature birth	Birth defects	Healthy term infants	Incidence rates
Group A	20	2 (10.00)	1 (5.00)	1 (5.00)	16 (80.00)	4 (20.00)
Group B	35	3 (8.57)	2 (5.71)	1 (2.86)	29 (82.86)	6 (17.14)
Group C	42	1 (2.38)	0 (0.00)	0 (0.00)	41 (97.62)	1 (2.38)
χ^2						6.017
P						0.049