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A maternal-fetal medicine (MFM) subspecialist has advanced knowledge of the medical, surgical, obstetrical, fetal, and genetic complications of pregnancy and their effects on both the mother and fetus. MFM subspecialists are complementary to obstetric care providers in providing consultations, co-management, or transfer of care for complicated patients before, during, and after pregnancy. The MFM subspecialist provides peer and patient education and performs research concerning the most recent approaches and treatments for obstetrical problems, thus promoting risk-appropriate care for these complicated pregnancies. The relationship between the obstetric care provider and the MFM subspecialist depends on the acuity of the maternal and/or fetal condition and the local resources. To achieve the goal of promoting early access and sustained adequate prenatal care for all pregnant women, we encourage collaboration with obstetricians, family physicians, certified midwives, and others, and we also encourage providing preconception, prenatal, and postpartum care counseling and coordination. Effective communication between all obstetric care team members is imperative. This special report was written with the intent that it would be broad in scope and appeal to a diverse readership, including administrators, allowing it to be applied to various systems of care both horizontally and vertically. We understand that these relationships are often complex and there are more models of care than could be addressed in this document. However, we aimed to promote the development of a highly effective team approach to the care of the high-risk pregnancy that will be useful in the most common models for obstetric care in the United States. The MFM subspecialist functions most effectively within a fully integrated and collaborative health care environment. This document defines the various roles that the MFM subspecialist can fulfill within different heath care systems through consultation, co-management, and transfer of care, as well as education, research, and leadership., (Copyright © 2014 Elsevier Inc. All rights reserved.)

A 35-year-old G2P1 parturient at 32 weeks of gestation with an implanted spinal cord stimulator was admitted for urgent caesarean section. Spinal anaesthesia was performed below the spinal cord stimulator leads at the L4-5 level, and a healthy female infant was delivered. A basic description of the technology and resulting implications for the parturient are discussed., (Copyright 2009 Elsevier Ltd. All rights reserved.)

Patients who present during pregnancy with acute abdominal symptoms often present a significant diagnostic challenge. Although ultrasound is often the first mode of abdominal imaging, in complex cases further imaging is often necessary. MRI of the small bowel has been made possible with the development of rapid scanning techniques. This has increased the attractiveness of a modality whose benefits include multiplanar imaging, excellent soft tissue contrast and the avoidance of ionizing radiation. With these capabilities MRI has been shown to be a useful adjunct when imaging the small bowel in pregnancy. Although MRI has been employed to investigate small bowel obstruction in the obstetric setting, to date there have been no reports of MR identifying small bowel obstruction secondary to extrinsic compression from a gravid uterus. During pregnancy, small bowel obstruction is most commonly attributed to adhesions. However, there are also antenatal occurrences of small bowel obstruction secondary to uterine compression. We present the MRI findings of an unusual case of small bowel obstruction occurring secondary to compression from a 32-week gravid uterus, in a patient with an end ileostomy. Furthermore, while clinical history and examination are fundamental to diagnosis of intestinal obstruction, the following case highlights the value of MRI in pregnancy as a confirmatory test.