[Retracted] Doppler Ultrasound under Image Denoising Algorithm in the Diagnosis and Treatment of Fetal Growth Restriction Using Aspirin Combined with Low-Molecular-Weight Heparin

Table 1

Basic data of patients.

Group	Age (years)	BMI (kg/m^2)	Average gestational week at admission (weeks)	Menstrual women/primiparous women (cases)
Group A	31.73 ± 7.05	24.56 ± 1.28	35.06 ± 3.15	21/19
Group B	32.34 ± 7.63	24.37 ± 1.37	35.12 ± 3.08	18/22

BMI: body mass index.