[Retracted] Application of Scanning Magnetic Resonance Imaging in the Diagnosis of Prenatal Placental Implantation and Related Care

Table 6

MRI scanning parameters.

	SS-FS	FRIM	ERTA
Repetition time	Infinity	4.0	7
Layer thickness	80	1.9	4.9
Echo time	6	9	2
Number of layers	20-40	30-40	50