📚 Risky Pregnancies - I: Comprehensive Study Guide

Source Information: This study material has been compiled and organized from a lecture audio transcript and a PowerPoint presentation (PDF) titled "RISKY PREGNANCIES-I" by Lect. Güzin ÜNLÜ SUVARİ and Asst. Prof. Merve COŞKUN, dated 27.10.2025.

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🎯 Course Objectives

By the end of this course, students will be able to:

• ✅ Explain risk factors during pregnancy.
• ✅ Explain health problems affecting pregnancy.
• ✅ Describe early and late pregnancy complications and associated nursing care.

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1️⃣ Introduction to Risky Pregnancies

This study guide provides an in-depth look at risky pregnancies, covering the various risk factors, complications that can arise in early and late stages, and the essential nursing care associated with these conditions. Understanding these complex topics is crucial for effective maternal and fetal health management.

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2️⃣ Risk Factors in Pregnancy

Risk factors in pregnancy can be categorized into four main groups, each contributing to potential complications.

2.1 Biophysical Factors

These relate to the physical and physiological aspects of the mother and fetus.

• Genetics: Inherited conditions or predispositions.
• Nutritional Status: Malnutrition or obesity can impact pregnancy outcomes.
• Medical Conditions: Pre-existing maternal diseases (e.g., diabetes, hypertension, thyroid disorders).
• Obstetric History: Previous pregnancy complications (e.g., preterm birth, stillbirth, recurrent abortions).

2.2 Psychosocial Factors

These involve the mother's lifestyle and mental well-being.

• Smoking: Increases risks of preterm birth, low birth weight, and placental complications.
• Caffeine Intake: Excessive consumption may be linked to certain risks.
• Alcohol Consumption: Can lead to Fetal Alcohol Spectrum Disorders (FASD).
• Psychological Status: Maternal stress, anxiety, and depression can affect pregnancy.

2.3 Sociodemographic Factors

These are related to the mother's social and economic environment.

• Low Income: Often associated with inadequate nutrition and limited access to healthcare.
• Inadequate Prenatal Care: Lack of regular check-ups can delay diagnosis and management of complications.
• Age:
  • Adolescent Pregnancy (<17 years): Higher risks of preeclampsia, preterm birth, and low birth weight.
  • Pregnancy over 35 years old: Increased risks of chromosomal abnormalities, gestational diabetes, hypertension, and delivery complications.
• Parity: Number of previous pregnancies and births.
• Marital Status: Can influence social support and access to resources.

2.4 Environmental Factors

These involve external exposures that can harm the pregnancy.

• Teratogens: Substances or agents that can cause birth defects (e.g., certain medications, chemicals, radiation).
• Stress: Chronic or severe stress can impact maternal and fetal health.
• Infectious Diseases: Maternal infections (e.g., rubella, toxoplasmosis, Zika virus) can lead to fetal anomalies or complications.

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3️⃣ Early Pregnancy Complications

Early pregnancy complications typically occur within the first 20 weeks of gestation.

3.1 Hyperemesis Gravidarum

📚 Definition: Severe nausea and vomiting during pregnancy, often leading to weight loss, electrolyte imbalance, and nutritional deficiencies. It complicates 50-80% of pregnancies, with severe forms (Hyperemesis Gravidarum) affecting 0.3% to 3%. Symptoms generally occur within the first 20 weeks, often starting between weeks 4-10.

💡 Contributing Factors:

• Hypothyroidism
• Elevated Estrogen, Progesterone, or hCG levels
• Allergens
• Gastrointestinal changes
• Fatty diet
• Helicobacter pylori infection
• High hydrochloric acid levels

⚠️ Severe Symptoms:

• Persistent vomiting
• Weight loss
• Electrolyte imbalance
• Nutritional deficiencies
• Ketonuria
• Stomach pain, hiccups
• Feeling thirsty, palpitations
• Headache, fatigue, hunger
• Coated tongue, hot and dry skin

📈 Risks:

• Maternal Risks: Malnutrition, dehydration, cardiovascular/gastrointestinal/liver dysfunction, depression, anxiety, iron deficiency anemia, altered consciousness, respiratory arrest, thrombosis.
• Fetal Risks: Preterm birth, low birth weight, developmental delay, congenital heart diseases, skeletal malformations, emotional and behavioral disorders.

💊 Treatment and Care:

• Hospital Treatment: Often required for severe cases.
• IV Nutrition: Administered during the first 24-36 hours to correct dehydration and electrolyte imbalance.
• Medications: Antiemetics and sedatives.
• Monitoring: Intake-Output Chart (IOC) to track fluid balance.
• Rest: Adequate sleep and rest.
• Dietary Modifications:
  • Dry and solid foods (rich in Mg+, K+).
  • Warm beverages, avoiding very hot or cold drinks.
  • Small amounts every 2-3 hours.
  • Soups and liquids between meals, not with meals.
  • Avoid fatty and fried foods.
  • Sit upright after meals.
  • Crackers or roasted chickpeas before getting out of bed in the morning.
  • High-protein snack before bed.
• Supplements: Vitamin B complex and protein supplements.
• Psychological Support: Share problems and concerns with healthcare providers.
• Lifestyle: Rise slowly from bed, avoid brushing teeth immediately after meals, short walks, ginger tea.

🩺 Nursing Diagnoses:

• Dehydration due to excessive vomiting with fluid and electrolyte imbalance.
• Inadequate weight gain due to nausea and persistent vomiting compared to pre-pregnancy weight.
• Anxiety related to the potential impact of hyperemesis on fetal well-being.

3.2 Ectopic Pregnancy

📚 Definition: Implantation of a fertilized ovum outside the uterine cavity, most commonly in the fallopian tubes (90%), primarily in the ampulla (70%). Pregnancy usually ends between 6-10 weeks.

⚠️ Risk Factors:

• History of ectopic pregnancy.
• Pelvic inflammatory disease (PID) or other sexually transmitted infections (STIs).
• History of tubal or pelvic surgery.
• Use of Assisted Reproductive Technology (ART) drugs.
• Copper or progestin-releasing Intrauterine Devices (IUDs).
• Morning-after (emergency contraception) pill.
• Structural anomalies of the fallopian tubes.
• Transmigration of the ovum.
• Chromosomal abnormalities.
• Smoking.

🚨 Signs of Rupture:

1. Accumulation of blood in the abdominal cavity.
2. Symptoms of shock (e.g., rapid heart rate, low blood pressure, pallor).
3. Shoulder pain (referred pain from diaphragmatic irritation).
4. Cullen sign (periumbilical ecchymosis, indicating intra-abdominal bleeding).

🩸 Symptoms:

1. Abdominal pain (often unilateral).
2. Delay in menstruation.
3. Abnormal vaginal bleeding (spotting).

🔬 Diagnosis:

• β-hCG levels: Serial measurements; levels that do not double appropriately (e.g., <1500 mIU/ml without intrauterine pregnancy).
• Ultrasonography: Transvaginal and abdominal ultrasound to locate the gestational sac (or absence of intrauterine sac).
• Progesterone level: Often less than 5 ng/mL in ectopic pregnancies.

🏥 Treatment:

• Medical Management: Methotrexate administration.
  • Criteria: No signs of shock, hemodynamically stable, no rupture, β-hCG <10,000 IU, ectopic pregnancy size not exceeding 3.5 cm.
• Surgical Management: Laparotomy or laparoscopy to remove the ectopic pregnancy.

3.3 Molar Pregnancy (Hydatidiform Mole)

📚 Definition: A rare complication of pregnancy characterized by abnormal fertilization, leading to the benign proliferation of the trophoblast (tissue that normally develops into the placenta). There is no living fetus.

📊 Types:

• Complete Mole:
  • No embryo/fetus and no amniotic sac.
  • Results from the fertilization of an "empty ovum" lacking active maternal genetic material by one or two sperm.
  • All genetic material is paternal.
• Partial Mole:
  • Embryo/fetus with multiple congenital anomalies and an amniotic sac may be present.
  • Results from the fertilization of a normal ovum by two sperm (69 chromosomes).
  • The embryo usually dies prematurely, and embryonic tissue regresses, but may survive until 8-9 weeks.
• Invasive Mole (Chorioadenoma): A mole that invades the uterine wall.
• Choriocarcinoma: A malignant form of gestational trophoblastic disease.

⚠️ Risk Factors:

• Ovulation problems.
• Nutritional deficiencies.
• History of molar pregnancy.
• Maternal age (extremes of reproductive age).

🩸 Symptoms:

• Abnormal uterine bleeding (AUB), often dark brown.
• Change in uterine size (often larger than expected for gestational age).
• Ovarian enlargement (theca-lutein cysts).
• Abdominal pain.
• Hyperemesis gravidarum (more severe than typical morning sickness).
• Preeclampsia (can occur in the first trimester, which is unusual).
• Absence of fetal sensation and lack of fetal visibility on ultrasound.
• Ultrasound showing "snowstorm" appearance (characteristic vesicular pattern).
• Extremely high β-hCG levels.

🔬 Diagnosis:

• β-hCG levels: Significantly elevated.
• Transvaginal Ultrasound: Reveals the characteristic "snowstorm" appearance.

🏥 Treatment:

• Evacuation: Uterine dilation and aspiration (D&A) to remove the molar tissue.
• Hysterectomy: May be considered in older women who have completed childbearing.
• Prophylactic Chemotherapy: May be used in high-risk cases.
• β-hCG Follow-up: Crucial monitoring for 6-12 months to detect persistent trophoblastic disease.
• Contraception: Pregnancy should be avoided during follow-up evaluations (e.g., use of combined oral contraceptive pills (COCPs) for 2 years).

3.4 Abortions (Miscarriage)

📚 Definition: The termination of a pregnancy before the 20th week of gestation or with a fetus weighing under 500 grams. Approximately 10-15% of all pregnancies end in miscarriage.

💡 Causes:

• Chromosomal Abnormalities: Most common cause, especially in the first trimester.
• Maternal Health Conditions:
  • Gestational Diabetes Mellitus (GDM) or uncontrolled pre-existing diabetes.
  • Obesity.
  • Thyroid problems (hypo- or hyperthyroidism).
  • Systemic lupus erythematosus (SLE) and other autoimmune conditions.
• Lifestyle Factors:
  • Regular and heavy alcohol consumption.
  • Smoking.
  • Excessive caffeine intake (>500 mg/day).
• Environmental Toxins: Exposure to certain chemicals or radiation.
• Advanced Paternal Age: Can also contribute to chromosomal abnormalities.
• Uterine Anomalies: Structural problems with the uterus.

🩸 Findings/Symptoms:

• Vaginal bleeding.
• Uterine contractions.
• Abdominal pain.
  • Before 6th week: Severe menstrual-like bleeding.
  • 6th-12th week: Moderate discomfort and bleeding.
  • After 12th week: Labor-like pain and bleeding.

📊 Types and Management:

| Type | Amount of Bleeding | Uterine Contractions | Tissue Removal | Cervical Dilation | Management …