Early Pregnancy Reading List
Soni et al (editors). Point-of-Care Ultrasound (2rd edition, Elsevier, 2019) – chapter 29
ISUOG Practice Guidelines: performance of first-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2013;41:102-113. https://obgyn.onlinelibrary.wiley.com/doi/10.1002/uog.12342
NICE NG126. Ectopic pregnancy and miscarriage: diagnosis and initial management. https://www.nice.org.uk/guidance/ng126
RCOG Green-top Guideline No. 21. Diagnosis and Management of Ectopic Pregnancy. https://www.rcog.org.uk/guidance/browse-all-guidance/green-top-guidelines/diagnosis-and-management-of-ectopic-pregnancy-green-top-guideline-no-21/
ISUOG Practice Guidelines: point-of-care ultrasound in obstetrics and gynecology. Ultrasound Obstet Gynecol 2026. https://doi.org/10.1002/uog.70122
AEPU. Standards for the performance of ultrasound scans in Early Pregnancy Units. https://aepu.org.uk/wp-content/uploads/2025/11/AEPU-ultrasound-standards-280321-final.pdf
RCOG Scientific Impact Paper No. 49. Ultrasound from Conception to 10+0 Weeks of Gestation. https://www.rcog.org.uk/media/5vvly24v/sip-49.pdf
Doubilet PM, Benson CB, Bourne T, Blaivas M, et al. Diagnostic criteria for nonviable pregnancy early in the first trimester. N Engl J Med 2013;369:1443-51. https://www.nejm.org/doi/full/10.1056/NEJMra1302417
Farren J, Al Wattar BH, Jurkovic D. The diagnosis and management of extrauterine and uterine ectopic pregnancy. Hum Reprod Update 2026;32(1):2-24. https://academic.oup.com/humupd/article/32/1/2/8277885
Condous G, Timmerman D, Goldstein S, Valentin L, Jurkovic D, Bourne T. Pregnancies of unknown location: consensus statement. Ultrasound Obstet Gynecol 2006;28:121-2. https://obgyn.onlinelibrary.wiley.com/doi/full/10.1002/uog.2838
HSSIB. The diagnosis of ectopic pregnancy. National investigation report. https://www.hssib.org.uk/patient-safety-investigations/the-diagnosis-of-ectopic-pregnancy/investigation-report/
RCOG Green-top Guideline No. 38. Gestational Trophoblastic Disease. https://www.rcog.org.uk/guidance/browse-all-guidance/green-top-guidelines/gestational-trophoblastic-disease-green-top-guideline-no-38/
SMFM Consult Series #63: Cesarean scar ectopic pregnancy. Am J Obstet Gynecol 2022. https://www.ajog.org/article/S0002-9378(22)00478-1/fulltext
EFSUMB. Statement on the safe use of Doppler in the first trimester, 2019. http://www.efsumb.org/blog/wp-content/uploads/2019/06/2019-first_trimester_doppler_statement-1.pdf
ACEP Sonoguide. Early Pregnancy. https://www.acep.org/sonoguide/basic/early-pregnancy
5 Minute Sono (Core Ultrasound). Basic OB/GYN scanning technique. https://coreultrasound.com/ob-gyn-scanning-technique-5ms/
POCUS 101. Obstetric ultrasound made easy: step-by-step guide. https://www.pocus101.com/obstetric-ob-ultrasound-made-easy-step-by-step-guide/
POCUS 101. Ultrasound machine basics: knobology, probes and modes. https://www.pocus101.com/ultrasound-machine-basics-knobology-probes-and-modes/
POCUS Certification Academy. Introduction to Transvaginal Ultrasound. On-demand webinar. https://www.pocus.org/resources/introduction-to-transvaginal-ultrasound/
The POCUS Atlas. OB/GYN image and clip library. https://www.thepocusatlas.com/obgyn
Ultrasoundpaedia. First trimester, normal. https://ultrasoundpaedia.com/1st-trimester-normal/
RadioGyan. First trimester ultrasound evaluation. Video lecture. https://radiogyan.com/videos/early-pregnancy-ultrasound/
ISUOG Basic Training Online. Free mini-course, Basics of the early pregnancy scan. https://www.isuog.org/education/basic-training1/btop-free-mini-courses.html