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Introduction to OB GYN Ultrasound- Third Trimester

This segment of the Introduction to OB GYN course was created for the women’s health practitioner who is interested in adding third trimester point of care ultrasound to their scope of practice. It consists of a series of lectures. We start at the beginning to give you a foundation for building your skill set. Ultrasound is a critical piece in the puzzle of women’s health and we are proud to be a part of advancing the availability of quality ultrasound services to the world.

This course begins with a series of lectures on ultrasound principles, image orientation, scanning technique and knobology. This is your foundation. Once you understand the basics of ultrasound we move on to anatomy and physiology. Here we begin with the nongravid pelvis. This includes evaluation of the uterus, ovaries, endometrium and cervix. This series focuses on the third trimester. Here we discuss biometry, amniotic fluid assessment, placenta location, cervical length and the biophysical profile. An introduction to twins is included because you never know when you will run into them! We also include common anomalies and syndromes. Finally, we include a physics section that provides a firm foundation for the creation of the ultrasound image and how we can manipulate it.

This is a comprehensive course created for the women’s health practitioner who is interested in adding point of care ultrasound to their scope of practice. Hands-on scanning videos help to solidify the concepts taught in the lectures.

Course Objectives

1. Recognize basic ultrasound artifacts
2. Discover common pathology and limitations of ultrasound
3. Determine fetal position, viability, and placental location
4. Perform a biophysical profile
5. Measure the biparietal diameter, head circumference, abdominal circumference, and femur length for growth assessment
6. Measure the amniotic fluid
7.Identify the cervix and placental location
8. Communicate in a culturally-sensitive manner to patients who refuse transvaginal ultrasounds and discuss available alternatives.

Scanning Fundamentals

Image Orientation
34 minutes
Scanning Technique
25 minutes

Third Trimester

Measuring Growth
11 minutes
Biophysical Profile
6 minutes
Measuring Amniotic Fluid
7 minutes
Placenta + Cervix
18 minutes
Fetal Number + Viability
3 minutes
Fetal Position
12 minutes
Third Trimester Assessment
9 questions



This lecture describes identified twin pregnancies in the first trimester as well as evaluating them later in pregnancy. While you may not be responsible for following up these pregnancies you never know when an unsuspecting patient shows up with twins!


Production of an Ultrasound Pulse
20 minutes
Characteristics of Ultrasound
19 minutes
Interaction of Sound With Medium
21 minutes
Ultrasound Principles
27 minutes
40 minutes
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Enrolled: 112 students
Duration: 4.5 hours
Lectures: 14
Video: 4.5 hours
Level: Beginner


Working hours

Monday 9:30 am - 6.00 pm
Tuesday 9:30 am - 6.00 pm
Wednesday 9:30 am - 6.00 pm
Thursday 9:30 am - 6.00 pm
Friday 9:30 am - 5.00 pm
Saturday Closed
Sunday Closed