Behavioral Health Concerns and Pregnancy, Females < 18 yrs — Clinical Pathway

Confirmation of Gestational Age, Laboratory Studies, Ultrasound

Confirmation of Gestational Age

First Day of Last Menstrual Period, If Known	Pregnancy Due Date and Gestational Age Calculator (perinatology.com) Pregnancy Due Date Calculator (American Pregnancy Association) Pregnancy Calculator (calculator.net)
Ultrasound	Performed by Maternal-Fetal Medicine Confirm viability, date pregnancy If no uterine pregnancy noted, obtain quantitative beta HCG

Laboratory and Radiology Studies

Prenatal Laboratory Evaluation	CBC ABO and RhD Type and antibody screen RPR HBsAg, HCV antibody test HIV Rubella IgG Urine for gonorrhea, chlamydia, trichomoniasis Urine POC Urine culture Quantitative HCG No IU pregnancy on US Results Communication Plan
US by MFM	Confirm viability, dating

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The clinical pathways are based upon publicly available medical evidence and/or a consensus of medical practitioners at The Children’s Hospital of Philadelphia (“CHOP”) and are current at the time of publication. These clinical pathways are intended to be a guide for practitioners and may need to be adapted for each specific patient based on the practitioner’s professional judgment, consideration of any unique circumstances, the needs of each patient and their family, and/or the availability of various resources at the health care institution where the patient is located.

Accordingly, these clinical pathways are not intended to constitute medical advice or treatment, or to create a doctor-patient relationship between/among The Children’s Hospital of Philadelphia (“CHOP”), its physicians and the individual patients in question. CHOP does not represent or warrant that the clinical pathways are in every respect accurate or complete, or that one or more of them apply to a particular patient or medical condition. CHOP is not responsible for any errors or omissions in the clinical pathways, or for any outcomes a patient might experience where a clinician consulted one or more such pathways in connection with providing care for that patient.