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.
Clinical Experience
Travel Nurse — Labor & Delivery
Jan 2025 – Mar 2025California 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 2024Zuckerberg 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 – PresentGuam 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
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
Let's Connect
I'd love to hear from you — whether about an opportunity, a referral, or a question about maternal & newborn care.