Navigation Links
Fetal Heart May Develop Later in Pregnancy Than Thought
Date:2/21/2013

THURSDAY, Feb. 21 (HealthDay News) -- The human heart is not fully formed until much later in pregnancy than previously thought, a new study suggests.

British researchers analyzed scans of the hearts of healthy fetuses in the womb and found that the heart has four clearly defined chambers in the eighth week of pregnancy, but does not have fully organized muscle tissue until the 20th week.

This is much later than expected, according to the study published Feb. 20 in the Journal of the Royal Society Interface Focus.

Previous studies of early heart development in humans have been largely based on other mammals -- such as mice or pigs -- as well as adult hearts and samples from dead people.

The data being collected by the University of Leeds-led team is being used to create a computerized simulation of fetal heart development. This will help improve understanding about normal heart development in the womb, and could lead to new ways to detect and treat some fetal heart problems early in pregnancy, according to the researchers.

Human fetuses have a regular heartbeat beginning at about 22 days of pregnancy, which is one reason why the researchers were surprised to find that there is little organization of human heart cells until 20 weeks of pregnancy.

"For a heart to be beating effectively, we thought you needed a smoothly changing orientation of the muscle cells through the walls of the heart chambers. Such an organization is seen in the hearts of all healthy adult mammals," Dr. Eleftheria Pervolaraki, a visiting research fellow at the University of Leeds' School of Biomedical Sciences, said in a university news release.

"Fetal hearts in other mammals such as pigs, which we have been using as models, show such an organization even early in gestation, with a smooth change in cell orientation going through the heart wall. But what we actually found is that such organization was not detectable in the human fetus before 20 weeks," she explained.

More information

The Nemours Foundation offers a fetal development calendar.

-- Robert Preidt

SOURCE: University of Leeds, news release, Feb. 20, 2013


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Fetal exposure to tributyltin linked to obesity
2. Fetal Deaths Up Among Unvaccinated Moms in H1N1 Pandemic: Study
3. Women and Infants Maternal-Fetal Medicine specialist selected for editorial team
4. Treating sleep-disordered breathing in pregnancy may improve fetal health
5. Prenatal Antidepressants Dont Raise Fetal, Infant Death Risk: Study
6. Plastics Chemical BPA Found in Fetal Livers
7. U-M study shows BPA exposure in fetal livers
8. Fetal alcohol exposure affects brain structure in children
9. Dangerous experiment in fetal engineering
10. Pregnant Mothers Gut Changes May Support Fetal Growth
11. New Stanford method enables sequencing of fetal genomes using only maternal blood sample
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Fetal Heart May Develop Later in Pregnancy Than Thought
(Date:10/13/2017)... ... October 13, 2017 , ... “The Journey: From the Mountains to the ... save lost souls in the Philippines. “The Journey: From the Mountains to the Mission ... of the Bible. She has taught all ages and currently teaches a class of ...
(Date:10/12/2017)... CA (PRWEB) , ... October 12, 2017 , ... ... Cheng, are now treating sleep apnea using cutting-edge Oventus O2Vent technology. ... a serious sleep disorder characterized by frequent cessation in breathing. Oral appliances can ...
(Date:10/12/2017)... ... October 12, 2017 , ... IsoComforter, Inc. ( https://isocomforter.com ), one ... an innovative new design of the shoulder pad. The shoulder pad provides optimal ... controlling your pain while using cold therapy. By utilizing ice and water that is ...
(Date:10/12/2017)... ... October 12, 2017 , ... Information about ... intend to develop to enable prevention of a major side effect of chemotherapy ... especially in pediatric patients. For cisplatin, hearing loss is FDA listed on-label as ...
(Date:10/12/2017)... (PRWEB) , ... October 12, 2017 , ... Leading pediatric ... peers in Washington, D.C., for the 49th Congress of the International Society of ... Vice President of the Center for Cancer and Blood Disorders at Children’s ...
Breaking Medicine News(10 mins):
(Date:10/4/2017)... , Oct. 4, 2017  According to the Centers for Disease Control ... of October . PhysicianOne Urgent Care is helping communities across ... NY , by offering no-cost* flu shots through the end of ... by certain health insurance regulations. ... best time to get a flu shot is by the end of ...
(Date:10/2/2017)... INDIANAPOLIS , Oct. 2, 2017  Eli Lilly ... its financial results for the third quarter of 2017 ... a conference call on that day with the investment ... performance. The conference call will begin at ... public can access a live webcast of the conference ...
(Date:10/2/2017)... The Rebound mobile app is poised to become ... tide of prescription drug addiction. The app empowers users to ... stepping down their dosage in a safe, controlled manner while ... the first 100,000 people to sign up will enjoy 3 ... ...
Breaking Medicine Technology: