Chapter 1. Ultrasound in the First Trimester and Earlier: How to Keep It Safe
Chapter 2. Ultrasound and Infertility
Chapter 3. Maternal Comorbidities and First-Trimester Ultrasound Examination
Chapter 4. First-Trimester Embryology: An Overview
Chapter 5. Elements of Teratology
Chapter 6. First-Trimester Ultrasound: Guidelines
Chapter 7. Normal First Trimester of Pregnancy
Chapter 8. Aneuploidy Screening: The Ongoing Role of First-Trimester Ultrasound
Chapter 9. Fetal Biometry in Early Pregnancy
Chapter 10. Threshold, Discriminatory Zone, and “The New Rules”
Chapter 11. The Fetal Heart in Early Pregnancy
Chapter 12. Doppler Sonography in Early Pregnancy
Chapter 13. Three-Dimensional Ultrasound: A Role in Early Pregnancy?
Chapter 14. Multiple Gestations—Multiple Headaches
Chapter 15. First-Trimester Ultrasound: Early Pregnancy Failure
Chapter 16. Ectopic Pregnancy: Pregnancy of Unknown Location (PUL)
Chapter 17. A Consequence of Cesarean Delivery: First-Trimester Cesarean Scar Pregnancy
Chapter 18. First-Trimester Ultrasound in Gestational Trophoblastic Disease
Chapter 20. Invasive Procedures in the First Trimester
Chapter 21. Sonography of Pelvic Masses Associated with Early Pregnancy