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Subjects
- Infectious Disease Transmission, Vertical2
- Labor, Obstetric1
- Lacerations -- epidemiology1
- Lacerations -- etiology1
- Maternal Behavior1
- Maternal-Fetal Relations3
- Monitoring, Physiologic1
- Mothers1
- Pennsylvania1
- Pregnancy4
- Pregnancy Complications, Infectious -- diagnosis1
- Pregnant People1
- Reproduction1
- Sex Factors1
- Sexual Partners2
- Skeleton1
- Smoking -- adverse effects1
- Swine6
- Thorax -- anatomy & histology1
- Tobacco Products -- poisoning1