First Trimester

6 - 12 weeks

   

*Full bladder required*

8-10 weeks gestation is recommended for your first obstetrical ultrasound unless otherwise instructed by your physician.

A full bladder is required for proper visualization. 

Please drink 3-4 glasses of water 1 hour before your exam. 


An endovaginal ultrasound is often required to properly document early pregnancy (especially if you are less than 8 weeks gestation). Follow this link for additional information regarding transvaginal ultrasounds.

 This ultrasound may be used to asses:

- Fetal viability

- Gestational age

Second Trimester

13 - 27 weeks


*Full bladder required*

Your second trimester anatomical ultrasound should be performed between 18-22 weeks gestation.

A full bladder is required for proper visualizationPlease drink 3-4 glasses of water within 1 hour prior to your exam. 


Once these initial images have been obtained you may typically empty your bladder and resume the test. 

This ultrasound may be used to: 

- Asses fetal anatomy

- Monitor fetal growth

- Confirm fetal well-being

- Detect abnormalities

- Asses maternal pelvis

Third Trimester

28+ weeks 


Full bladder is recommended.

Your doctor may choose to send you for a follow up ultrasound prior to delivery. 


A full bladder is recommended for proper visualization. Please drink 2-3 glasses of water 30 minutes - 1 hour prior to your exam.

Once these initial images have been obtained you may typically empty your bladder and resume the test if additional imaging is required.


This ultrasound may be used to asses:

- Biophysical profile (health and well being of the fetus) 

- Fetal position 

- Biometry (monitoring fetal growth) 

- Maternal placenta

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