Slide show: Fetal ultrasound

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Image of a fetal ultrasound showing the chambers of baby's heart

Previous Next 3 of 13 Baby's heart

This slide offers a four-chamber view of a baby's heart as well as the heart valves. A baby's cardiovascular system begins developing five weeks into pregnancy, or three weeks after conception. The heart starts to beat shortly afterward.

See more Multimedia Oct. 10, 2015

References

Shipp TD. Basic principles and safety of diagnostic ultrasound in obstetrics and gynecology. http://www.uptodate.com/home. Accessed Aug. 11, 2015.
Spina bifida fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/spina_bifida/detail_spina_bifida.htm. Accessed Aug. 13, 2015.
American College of Obstetricians and Gynecologists (ACOG) Committee on Practice Bulletins — Obstetrics. ACOG Practice Bulletin No. 101: Ultrasonography in pregnancy. Obstetrics & Gynecology. 2009;113:451. Reaffirmed 2014.
ACR–ACOG–AIUM–SRU practice parameter for the performance of obstetrical ultrasound. Amended 2014. American College of Radiology. http://www.acr.org/~/media/ACR/Documents/PGTS/guidelines/US_Obstetrical.pdf. Accessed April 22, 2015.
Avoid fetal "keepsake" images, heartbeat monitors. U.S. Food and Drug Administration. http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm095508.htm. Accessed Aug. 11, 2015.
Sfakianaki AK, et al. Routine prenatal ultrasonography as a screening tool. http://www.uptodate.com/home. Accessed Aug. 11, 2015.
Moore KL, et al. Ninth week to birth: The fetal period. In: The Developing Human: Clinically Oriented Embryology. 9th ed. Philadelphia, Pa.: Saunders Elsevier; 2013.
Shipp TD. Ultrasound examination in obstetrics and gynecology. http://www.uptodate.com/home. Accessed Aug. 11, 2015.
Ankle fractures (broken ankle). American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=A00391. Accessed Aug. 13, 2015.
Thighbone (femur) fractures in children. American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=A00424. Accessed Aug. 13, 2015.

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