The fetal heart is already formed during the first trimester. The first heartbeats can be detected in week 5-6 of gestation. Normally, during week 10, the heart is already anatomically complete. From this stage onwards it undergoes mainly processes of growth. Congenital heart defects are caused by non-optimal cardiac development during fetal development. The prevalence […]
Multiple congenital defects can be caused by various factors which are not necessarily genetic. However, there are more than seven thousand known genetic syndromes characterized by a combination of birth defects. In some of these syndromes, symptoms include intellectual disability, while in other syndromes birth defects are mostly structural (related to the structure of various […]
Neural tube defects (or NTDs) are a congenital defect that occurs in around 3,000 births a year in the US. NTDs are considered the second most common birth anomaly, after congenital heart defects. NTDs occur at a rather early stage of fetal development (when the spine is supposed to form a tube shape). When this […]
Micrognathia, or a small lower jaw, can appear in three clinical forms: as an isolated finding, micrognathia that is associated with a certain genetic disorder (combined with additional findings), or micrognathia as part of Pierre Robin sequence. What are the symptoms? When inherited micrognathia is an isolated finding, the problem is usually purely aesthetic. However, […]
Chorionic villus sampling – CVS Chorionic villus sampling (also
Amniocentesis is a prenatal test in which a small
The triple screening test, also known as triple screen,
Prenatal ultrasound is a non-invasive test that uses sound
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Do not make any use of the content Information on the website does not provideor replace professional or medical advice
