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Category: first trimester ultrasound

Featured Image for First Trimester Cervical Funneling

September 9, 2024

First Trimester Cervical Funneling

First Trimester Cervical Funneling: Rare Case Highlighted by Transvaginal Ultrasound Cervical funneling occurs when the internal os of the cervix opens prematurely, forming a funnel shape while the external os remains closed and functional. In pregnant women, the average cervical length measures 3.5–4 cm between 14 and 30 weeks. A transvaginal cervical length under 2.5 cm between 14…

Featured Image for Nine Week Gestation with Retroverted uterus – Well, this is confusing?!

Nine Week Gestation with Retroverted uterus – Well, this is confusing?!

This case includes image orientation and scanning technique for a retroverted uterus imaged transvaginally.

Featured Image for Eight Week Pregnancy – What if I don’t have an EndoVaginal probe?

Eight Week Pregnancy – What if I don’t have an EndoVaginal probe?

This case study explains how to perform an early first trimester ultrasound exam if you do not have access to a transvaginal probe.

Featured Image for 5 Weeks Gestation: What Should I See?

5 Weeks Gestation: What Should I See?

This case study reviews an early intrauterine pregnancy with the initial scan and follow up.

Featured Image for Re-Dating in the First Trimester

January 22, 2024

Re-Dating in the First Trimester

EARLY 1ST TRIMESTER ULTRASOUND Identifying and accurately dating a pregnancy early in the first trimester is vital information for appropriate obstetric care throughout pregnancy. A proper EDD is critical in decisions regarding interventions, monitoring fetal growth, and scheduling and interpreting antepartum tests. What do we do if the LMP differs from our ultrasound…

Featured Image for IUP with a fibroid

January 13, 2024

IUP with a fibroid

IUP WITH FIBROID Patient arrived for a dating ultrasound. Her gestational age per LMP was 9w1d. The exam began transabdominally. This is an important step. While transvaginally scanning is the gold standard for early first trimester dating, viewing transabdominally first gives you an overall view of the pelvis. This prepares you for the transvaginal approach…

Featured Image for Fetal Demise with Dermoid

August 28, 2023

Fetal Demise with Dermoid

Fetal Demise with Dermoid Patient presented with a positive urine pregnancy test, cramping and an LMP with a gestational age of 9w3d. The exam began transabdominally. While this may not be the prettiest view of the baby it gives the practitioner an overview of the entire pelvis. Here you can see that this is an…