290
Participants
Start Date
January 31, 2017
Primary Completion Date
January 31, 2018
Study Completion Date
February 28, 2018
PCR
Polymerase chain reaction was used to diagnose gene polymorphism.
Doppler ultrasound
Doppler ultrasound was used to assess the pulsatility index of the umbilical artery .
Beni-Suef University, Cairo
Beni-Suef University
OTHER