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OB midterm
Ovulatory Hormones I - Follicular Phase
Characteristics
0-14 Days
GnRH Stimulates FSH and LH
Follicle Secretes Estrogen
Negative Feedback from Estrogen
Increased Estrogen Leads to Positive Feedback
FSH and LH Surge
LH Spike Leads to Ovulation
2 mins
Ovulatory Hormones II - Luteal Phase
Days 15-28
Corpus Luteum
Secretes Progesterone
Negative Feedback inhibits FSH and LH
No pregnancy forms Corpus Albicans
Stops Estrogen Secretion
Endometrial Sloughing - Menses
GnRH secretion produces new follicular phase
2 mins
Menopause Lab Findings
Decreased Estrogen
Lack of Negative Feedback
Increased FSH
Increased LH
Increased GnRH
Small Amount of Estrogen From Androgen Conversion
Increased Androgens = Hirsutism
1 min
Infertility
No Conception After 1 Year
Interventions
Artificial Insemination
In Vitro Fertilization (IVF)
Drug Therapy
Clomiphene Citrate (Clomid)
Menotropins
GnRH Agonists
Considerations
Treat Underlying Disorders
Emotional Support
Multiple Gestations
3 mins
Tamoxifen
Mechanism of Action
Selective Estrogen Receptor Modulator (SERM)
Antagonist on Breast Tissue
Indications
ER-positive Breast Cancer
Side Effects
Decreased Risk of Osteoporosis
Increased Risk of Endometrial Cancer
Increased Risk of Venous Thromboembolism (VTE)
1 min
Ibuprofen (Advil, Motrin)
Mechanisms
NSAID
COX Inhibitor
Indications
General Pain
Fever
Inflammatory Conditions
Side Effects
GI Ulcers
Nephrotoxicity
Rash
Considerations
Avoid with Alcohol
Risk of Thrombotic Event
2 mins
Endometriosis
Cause
Endometrial Tissue Outside Uterus
Retrograde Menstrual Flow
Assessment
Dysmenorrhea
Cyclic Pelvic Pain
Irregular Vaginal Bleeding
Pain with Defecation
Dyspareunia
Interventions
Medications to Decrease Ovulation
NSAIDs
Surgery
2 mins
Pelvic Inflammatory Disease (PID) Assessment
Mechanism
Untreated Cervicitis
Assessment
May Be Asymptomatic
Dysuria
Vaginal Discharge with Odor
Fever
Dyspareunia
Lower Abdominal Pain
Spotting
Cervical Motion Tenderness
2 mins
Pelvic Inflammatory Disease (PID) Interventions
Antibiotics
No Intercourse for 3 Weeks
Semi-Fowler's Position
Analgesics
Monitor Temperature
Treat Partners
2 mins
Cervical Cancer Screening
Women Aged 21-65 Years
Pap Smear Every 3 Years
Women Aged 30-65 Years
Can Opt for Co-testing (Pap Smear + HPV Testing) Every 5 Years
Identify Lesions
High grade lesions
Cryotherapy
Loop Excision
Cold Knife Conization
2 mins
Cervical Cancer Assessment
Cause/Mechanism
Human Papillomavirus (HPV)
Assessment
Metrorrhagia
Leukorrhea
Pain
Abnormal Pap Test
May Be Asymptomatic
Considerations
HPV Vaccine
2 mins
Dysfunctional Uterine Bleeding
Assessment
Bimodal Age Distribution
Painless Vaginal Bleeding
Amenorrhea
Menorrhagia (Heavy Menstrual Bleeding)
Metrorrhagia (Bleeding Between Menses)
Interventions
Balloon Thermotherapy
Hormone Medications
Dilation and Curettage (DandC)
Considerations
Monitor for Anemia
3 mins
Vaginitis
Cause/Mechanism
Infection
Postmenopausal Atrophy
Assessment
Vaginal Discharge
Pruritus
Interventions
Antifungals (Miconazole, Clotrimazole)
Antibiotics
Estrogen Hormones
Abstinence
Considerations
Good Hygiene
Recurrent Vaginitis
2 mins
Fetal Circulation
Placenta
Umbilical Vein
Ductus Venosus
Right Atrium
Foramen Ovale
Left Atrium
Aorta
Right Ventricle
Ductus Arteriosus
Umbilical Arteries
2 mins
Postnatal Circulation
Infant Breathes
Decreased Pressure in Pulmonary Vasculature
Decreased Right Heart Pressure
Increased Left Atrial Pressure
Closes Foramen Ovale
Increased O2
Decreased Prostaglandins
Closed Ductus Arteriosus
Pharmacologic Intervention of Ductus Arteriosus
Open with Prostaglandins
Closed with Indomethacin
3 mins
Lab and Diagnostic Tests During Pregnancy
Complete Blood Cell Count
Blood Typing
Rubella Titer
Hepatitis B
HIV Testing
Urinalysis
Diabetes
Pap Smears
2 mins
Amniocentesis
Mechanism
Transabdominal Puncture
> 14 weeks gestation
Indications
Genetic and Congenital Anomalies
Fetal Hemolytic Disease
Fetal Lung Maturity
Complications
Miscarriage
Hemorrhage
Infection
Considerations
RhoGAM (Rh Immune Globulin)
2 mins
Positive Signs of Pregnancy
Fetus on Ultrasound
Fetal Heart Rate by Doppler or Fetoscope
Fetal X-ray
Fetal Movements
1 min
Presumptive Signs of Pregnancy
Amenorrhea
Fatigue
Urinary Frequency
Nausea and Vomiting
Breast Changes
Quickening
1 min
Probable Signs of Pregnancy
Goodell Sign
Chadwick Sign
Hegar Sign
Positive Serum and Urine Sample
Braxton Hicks Contractions
Ballottement
2 mins
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