Understanding Pregnancy Hormones Study Guide
Learn about the essential hormones that regulate pregnancy, from conception through labor and delivery. This guide covers the functions of hCG, progesterone, estrogen, relaxin, and oxytocin, and their impact on maternal and fetal health.
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Physiological Changes
Integumentary and Skin Changes During Pregnancy
Identifying common pregnancy skin manifestations like linea nigra, chloasma gravidarum, and striae gravidarum, including their causes and appearance.
- Chloasma gravidarum
- Melasma
- Striae gravidarum
- Stretch marks
- Hyperpigmentation
- Melanocytes
- Estrogen
- Progesterone
- MSH
- Dermal stretching
- Pregnancy
Common Integumentary and Skin Changes During Pregnancy
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Cardiovascular and Respiratory Adaptations
Analyzing increases in blood volume, cardiac output, and tidal volume, and the risk of supine hypotension.
Gastrointestinal and Urinary Changes
Studying nausea, reflux, and constipation alongside renal blood flow increases and UTI risks.
Hematologic and Metabolic Shifts
Understanding changes in red cell mass, hematocrit, and the transition from anabolic to catabolic states.
Hormones and Nutrition
Key Pregnancy Hormones
The roles of hCG, Progesterone, Estrogen, Relaxin, and Oxytocin in maintaining pregnancy.
- Progesterone
- Estrogen
- Relaxin
- Oxytocin
- Corpus Luteum
- Placenta
- Uterine Lining
- Labor Contractions
- Mammary Glands
- Birth Canal
- Breastfeeding
- Pregnancy Tests
Key Pregnancy Hormones: The Chemical Orchestrators of Gestation
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Essential Micronutrients
The importance of Folic Acid, Calcium, Vitamin D, and Iron for fetal and maternal health.
Macronutrient Support
The role of protein in supporting the growth of maternal and fetal tissues.
Clinical Assessment
Trimester Screening Protocols
Standard care from 1st trimester (ultrasound/chromosomal) to 3rd trimester (GBS/glucose).
Fetal Well-being Testing
Using Non-stress tests (NST) and Biophysical profiles (BPP) to assess fetal health.
Diagnostic Procedures
Understanding the use of Amniocentesis for genetic assessment.
Risk Factors
Group B Streptococcus (GBS)
Identifying and managing bacterial infections to protect the newborn.
Mechanics of Labor
Stages of Labor: Stage 2
Focusing on the actual birth of the baby once full dilation is achieved.
Stages of Labor: Stage 3
The process and timing of placental delivery following the birth of the infant.
Stage 4 and Postpartum Recovery
Managing the immediate recovery period, including monitoring for bleeding and repairing perineal tears.
Pharmacological Interventions
Magnesium Sulfate Therapy
Managing preeclampsia with Magnesium Sulfate, including monitoring for toxicity and side effects.
Tocolytic Medications
Using Terbutaline to manage tachysystole and preterm labor, and monitoring for its side effects.
Antibiotic Administration
Protocol for administering antibiotics to GBS positive patients during labor.
Nursing Care Management
Safety and Contraindications
Identifying critical contraindications, such as Cytotec in patients with prior uterine incisions or Fentanyl when birth is imminent.
Post-Delivery Complication Monitoring
Assessing for hemorrhage, episiotomy repair needs, and general postpartum stability.
Postpartum Physiological Recovery
Postpartum Assessment Tools
Mastering the BUBBLES and REEDA frameworks for systematic physical assessment.
Immediate Postpartum Reactions
Postpartum Hemorrhage Management
Mechanical and Surgical Interventions
Utilizing uterine massage, the Bakri balloon, Jada device, and uterine evacuation.
Medication Contraindications
Critical safety knowledge: Methergine/Hypertension, Hemabate/Asthma, and Cytotec administration.
Postpartum Complications
Mastitis and Breast Health
Managing breast inflammation, engorgement, and the roles of Prolactin and Oxytocin.
Urinary Tract Infections
Recognizing symptoms of UTI including dysuria, frequency, and flank pain.
Sepsis Criteria
Identifying clinical indicators of sepsis: temperature, HR, RR, and WBC counts.
Psychosocial and Mental Health
Postpartum Anxiety
Understanding excessive worry and its impact on maternal well-being.
Postpartum Psychosis
Recognizing this psychiatric emergency and the need for immediate intervention.
Psychosocial Screening
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