1. Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, Geisinger, Danville, PA 17822, USA
2. Department of Population Health Sciences, Geisinger, Danville, PA 17822, USA
3. Department of Obstetrics & Gynecology, Penn State Health, Milton S Hershey Medical Center, Penn State College of Medicine, Hershey, PA 17033, USA
4. Exercise Psychology Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, PA 16802, USA
5. Department of Family & Community Medicine, Penn State College of Medicine, University Park, PA 16802, USA
6. Department of Pediatrics, Division of Neonatal-Perinatal Medicine, Penn State Milton S. Hershey Medical Center, Penn State College of Medicine, Hershey, PA 17033, USA
7. Department of Human Development and Family Studies, College of Health and Human Development, Pennsylvania State University, University Park, PA 16802, USA
8. Departments of Kinesiology, College of Health & Human Development, & Obstetrics & Gynecology, Penn State College of Medicine, The Pennsylvania State University, University Park, PA 16802, USA