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Labor & Delivery Registered Nurse

Mariana A. Sizemore

RN, BSN, RNC-OB

Caring for mothers and newborns through every stage of labor, delivery, and beyond.

About Me

Board-certified in Inpatient Obstetric Nursing (RNC-OB), a Labor & Delivery registered nurse with seven years in high-risk, high-volume units. Experienced managing complex obstetric cases — preeclampsia, gestational diabetes, multiple gestations, and preterm labor — while serving as charge nurse and clinical preceptor and delivering expert care across triage, delivery, postpartum, and the newborn period.

7+ years in Labor & DeliveryHigh-risk obstetricsNewborn & postpartum care

Clinical Experience

Travel Nurse — Labor & Delivery

Jan 2025 – Mar 2025

California Pacific Medical Center · San Francisco, California

  • Interprets fetal heart monitor tracings and provides appropriate nursing care accordingly
  • Demonstrates nursing skills such as IV and foley insertion, medication administration, blood transfusions, and documentation
  • Prepares patients for vaginal and cesarean deliveries and assists provider with deliveries
  • Managed high-risk obstetrical conditions including preeclampsia, gestational diabetes (GDM), and multiple fetuses
  • Managed Magnesium sulfate, Pitocin, and Insulin IV drips
  • Acts as circulating nurse during cesarean deliveries as well as PACU recovery nurse

Travel Nurse — Labor & Delivery

Mar 2024 – Nov 2024

Zuckerberg San Francisco General Hospital · San Francisco, California

  • Interprets fetal heart monitor tracings and provides appropriate nursing care accordingly
  • Prepares patients for vaginal and cesarean deliveries and assists provider with deliveries
  • Managed high-risk obstetrical conditions including preeclampsia, gestational diabetes (GDM), and multiple fetuses
  • Provides postpartum care to new mothers and their newborns, with breastfeeding and lactation support
  • Performs newborn screenings such as hearing screens and 24-hour screens
  • Educates mothers on newborn care, including feeding and recognizing signs of illness

Hospital Staff RN II, Clinical Level I — Labor & Delivery

Dec 2018 – Present

Guam Memorial Hospital · Tamuning, Guam

  • Practices responsibilities of charge nurse including delegation of tasks and maintaining accurate, detailed reports and records
  • Acts as circulating nurse during cesarean deliveries and baby catcher during deliveries, providing newborn care and resuscitation
  • Assists physicians during delivery, treatment, examination, and surgical procedures such as external versions
  • Assists anesthesiologist during epidural placements, spinal anesthesia, and general anesthesia
  • Acts as a clinical preceptor for novice and new nursing personnel
  • Managed high-risk obstetrical conditions and Magnesium sulfate and Pitocin IV drips

Education

Bachelor of Science in Nursing

University of Guam

May 2018

Licenses & Certifications

Licenses

  • Registered Nurse (RN) — U.S. Territory of Guam
  • Registered Nurse (RN) — State of California

Certifications

  • Inpatient Obstetric Nursing (RNC-OB) — National Certification Corporation
  • Neonatal Resuscitation Program (NRP)
  • Advanced Cardiac Life Support (ACLS)
  • Basic Life Support (BLS)

Skills

Patient-centered careIV insertionFSE & IUPC placement assistanceFetal heart monitor interpretationCervical dilation assessmentEmergency response — cord prolapse, placenta previa, hemorrhage, shoulder dystociaCritical thinking, problem solving & leadershipStrong oral, written & interpersonal communication

Let's Connect

I'd love to hear from you — whether about an opportunity, a referral, or a question about maternal & newborn care.