Medical Research
Technical staff at True North Imaging (TNI) have long been involved in leading edge research, primarily in the fields of OB/GYN and reproductive imaging. This work has been published and presented to the medical community world-wide. Below you will find links to some of the studies and abstracts created by TNI's Medical Director, Dr. Alex Hartman and his expert staff.
- 3D Ultrasound vs. 3D Sonohysterography in the diagnosis of uterine anomalies. A prospective blinded study of 600 consecutive infertility patients.
- 3D Ultrasound vs. 3D Sonohysterography for the diagnosis of uterine anomalies. A prospective blinded study of 1000 consecutive women.
- Is a large arcuate more detrimental than a small one? How important is an arcuate uterus? A prospective study of 1280 consecutive patients with secondary infertility.
- The Diagnosis of Uterine Anomalies using 3D Ultrasound vs. 3D Sonohysterography. A prospective blinded study of 600 consecutive infertility patients.
- The prevalence of intracavitary and intramural uterine abnormalities. A prospective study of 1009 consecutive women.
- Mullerian Duct Anomalies. A prospective study of general characteristics of patients with uterine malformations.
- Mullerian Duct Anomalies (MDAs) and miscarriages in secondary infertility. A prospective study of the association between miscarriages and MDAs using strict criteria.
- Natural history of Endometrial Polyps. Prospective study of 300 consecutive patients with follow up of Endometrial Polyps by Sonohysterography.
- Polyps on Transvaginal Ultrasound. How accurate is Ultrasound? Prospective Blinded study of 1000 consecutive patients with probable polyps seen on Transvaginal Ultrasound.
- Postmenopausal Endometrial Thickness. A prospective study of 1500 consecutive asymptomatic postmenopausal women. Also, how many have Endometrial Polyps?
- Sonohysterography. An Adjunct Investigation To Evaluate Chronic Pelvic Pain.
- Sonohysterography vs. 3D ultrasound for the diagnosis of uterine anomalies. A prospective blinded study of 500 consecutive women.
- Sonohysterography vs. Transvaginal Sonography. How Accurate is Transvaginal Sonography? A Prospective Blinded Study of 800 Consecutive Patients with Polyps Diagnosed on Sonohysterography.
- Sonohysterography vs. Transvaginal Sonography. A prospective Blinded Study of 1000 Consecutive Patients with Polyps.
- Unilateral versus bilateral PCO. A prospective study of infertility patients comparing those with unilateral, bilateral and no PCO with regards to BMI and cycle regularity.



