Placental Lesions in Fetal Growth Restrictions

Inclusion Criteria: * Pregravid Body Mass Index (BMI) 18.5-39.9 kg/M2 * Women with singleton pregnancies * Ultrasound confirmed pregnancy dating prior to 14 weeks gestation * Gestational age of 27 0/7 - 32 6/7 weeks at FGR diagnosis based on standard clinical criteria: Either estimated fetal weight (EFW) less than 10 percentile OR abdominal circumference less than 10th percentile Exclusion Criteria: * Diagnosis of preeclampsia at FGR diagnosis * Gestational Diabetes Mellitus or type I/II Diabetes Mellitus * Known fetal chromosome abnormality, structural malformation or syndromes in current pregnancy * Known fetal viral infection syndrome * Alcohol/drug use in current pregnancy * History of sickle cell anemia, sickle cell trait or other inherited anemia with risk of iron overload * Contraindications to MRI (such as claustrophobia, metallic implant, etc.) based on MRI Screening * Participation in other interventional clinical trials, including those with other investigational agents not included in this trial, within 30 days of the start of this trial and throughout the duration of this trial * Any physical or psychological symptom, based on the clinical judgment of the study physician that would make a participant unsuitable for the study.