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Dr. Sydney Marie Thayer, MD is a perinatologist in O'Fallon, IL specializing in maternal and fetal medicine. She graduated from University of California, San Diego (UCSD), School of Medicine in 2017 and has 8 years of experience. Dr. Sydney Marie Thayer, MD is affiliated with Memorial Hospital Shiloh, WashU Medicine, Progress West Hospital, Missouri Baptist Medical Center, BJC HealthCare, Barnes-Jewish Hospital, Washington University in St. Louis (WUSTL) and WashU Medicine.
Barnes-Jewish Hospital
Cesarean Section (C-Section)
A Cesarean section (more often known as "C-Section") is a surgery performed during labor and delivery. A C-Section is a procedure that delivers a baby through an incision in the lower abdomen and uterus. In the United States, about a third of all births are performed by Cesarean section. Most often, a C-section is done by an obstetrician/gynecologist (OB-GYN), or in certain regions, a general surgeon or family physician.
C-section incisions can be up-and-down (vertical), from belly button to lower abdomen or side-to-side (horizontal), across the lower abdomen. Side-to-side incisions are more frequently used. After the exterior incisions are made, the doctor then cuts into the uterus and amniotic sac and delivers the infant and cuts the baby's umbilical cord. The mother receives medicine to expel the placenta and the doctor helps to safely remove it. Finally, the doctor uses sutures to seal the uterus and tissue incisions. The initial C-section skin incision is also closed with sutures or staples.
C-sections are typically performed with regional anesthesia, which inhibits pain in the lower half of the body, but allows mothers to be awake. However, some mothers may receive general anesthesia, where they are put to sleep during the surgical procedure.
C-sections may be planned or unplanned, depending on the circumstances of the birth.
Pre-existing conditions like heart disease, high blood pressure, herpes, and HIV may prompt a doctor to prescribe a C-section. Other situations for C-section include:
Other mothers may require a C-section due to complications arising during delivery. These unplanned, emergency C-sections allow for a healthy birth even when complex complications are present. Problems during labor which may necessitate a C-section include:
Mothers should expect about a six-week recovery period following a C-section, including an initial hospital stay of two to three days. While in the hospital, mothers may spend time with their baby and begin breastfeeding. After returning home, mothers should limit strenuous activities such as lifting, reaching, and exercise, and should make sure to get plenty of rest.
Dr. Sydney Marie Thayer, MD graduated from University of California, San Diego (UCSD), School of Medicine in 2017. She completed residency at Oregon Health & Science University Affiliated Hospitals. She is certified by the Board Certification: Gynecology and has a state license in Missouri.
Medical School: University of California, San Diego (UCSD), School of Medicine (2017)
Residency: Oregon Health & Science University Affiliated Hospitals
Board Certification: Board Certification: Gynecology
Licensed In: Missouri
Dr. Sydney Marie Thayer, MD is associated with these hospitals and organizations:
Dr. Sydney Marie Thayer, MD appears to accept the following insurance providers: CIGNA Flexcare, MultiPlan, MHBP, United Healthcare Select Plus, United Healthcare Select, United Healthcare PPO, United Healthcare POS, Great-West Healthcare Open Access, United Healthcare EPO, United Healthcare Choice Plus, United Healthcare Choice, Blue Choice, Aetna QPOS, Great-West Healthcare POS, Great-West Healthcare PPO, Health Alliance HMO, Aetna Open Access HMO, Great-West Healthcare HMO, Rockport Healthcare Group, Hannibal Regional PHO, Aetna Medicare HMO, TRICARE, Decatur Memorial Hospital, Coventry, Anthem, Best Doctors, Aetna Managed Choice POS, Aetna Select, Aetna Choice POS, Aetna HMO, CIGNA Open Access POS, Aetna US Access, CIGNA Open Access Plus HMO, Aetna National Advantage Program, Coventry HMO, CIGNA Network, CIGNA PPO, MO HealthNet, CIGNA POS, CIGNA HMO, CorVel, CIGNA EPO, Aetna Medicare PPO, Aetna Open Access Managed Choice, Aetna Open Access Elect Choice, Aetna Choice POS II, AARP, Medicare Advantage, TriWest, Blue Cross Blue Shield Missouri - Regular or Traditional, CoxHealth, Coventry PPO, Coventry National Network PPO, USA Managed Care Organization, Health Alliance POS, Health Alliance PPO, United Healthcare, United Healthcare Navigate, Medicare, Medicaid, Quality Health Management, Humana, Cigna, Molina Healthcare, First Health, HealthLink PPO, Beech Street, HealthLink POS, HealthLink Open Access, HealthLink HMO, Aetna Elect Choice, HFN, United Healthcare Community Plan (AmeriChoice), Community Partners Health Plans, CIGNA Open Access Plus POS, Blue Cross Blue Shield of Illinois, CIGNA Network Open Access, CIGNA PPO Plus, Private Healthcare Systems (PHCS), Care Management Resources (CMR), Mercy Health Springfield Communities, Aetna Affordable Health Choice PPO, Advantra Option 1 HMO/POS (Aetna Medicare), Union Pacific Railroad Employee Health System, Freedom Plus PPO-Missouri (Aetna Medicare), Aetna CVS Health (MO Marketplace Exchange), Freedom PPO-Missouri (Aetna Medicare), Aetna Open Choice (PPO), Aetna Medicare Open Access POS, Health Alliance Medicare POS, Kansas Advantra Freedom PPO (Aetna Medicare), VA HealthCare Choice Program, BJC Center of Excellence - Consociate Health, Verify Insurance Acceptance With Practice, Illinois Department of Public Aid (IDPA/HFS), Advantra Silver HMO (Aetna Medicare), Advantra PPO (Aetna Medicare), Essence Advantage HMO, Meridian (Illinois Department of Public Aid), Health Alliance (IL Marketplace Exchange), HealthScope Benefits, Inn (Orscheln Industries Health Plan), Gold Advantage (Aetna Medicare), Aetna Health Network, Essence Advantage Select HMO, Advantra Complete PPO Illinois (Aetna Medicare), Aetna Health Network Option, BJC HealthSolutions, Aetna Medicare Open Access HMO, Health Alliance Medicare HMO, Advantra Option 2 HMO (Aetna Medicare), Essence Advantage Plus HMO and Gold Dual Core HMO Missouri (Aetna Medicare).
According to our sources, Dr. Sydney Marie Thayer, MD accepts the following insurance providers:
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These charts describe general payments received by Dr. Sydney Marie Thayer, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.
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Dr. Sydney Thayer practices maternal and fetal medicine. Areas of expertise for Dr. Thayer include vaginal birth after cesarean (VBAC), pre-eclampsia, and hypertension (high blood pressure). She is affiliated with Memorial Hospital Shiloh, Missouri Baptist Medical Center, and Progress West Hospital. Dr. Thayer graduated from the University of California, San Diego (UCSD), School of Medicine. Dr. Thayer is conversant in Spanish.
