Research Library 

Interesting Research and Publications

Delving into research and publications that shed light on FVSD, offering deeper understanding and insights for all. This is a collection of valuable resources I've encountered on my journey.

Publications in Chronological Order 

1980 — early teratogenic signal (valproate exposure)

 

1981–1983 — pre-syndrome case reports

1984 — first definition of

Fetal Valproate Syndrome (FVS)

1987 — recognition of a distinct phenotype

1988 — phenotype confirmation & expansion

 

1995 — major clinical synthesis (classic FVS paper)

2000 — introduction of broader umbrella:

Fetal Anticonvulsant Syndrome (FACS)

  • Moore S.J. et al. (2000)
    A clinical study of 57 children with fetal anticonvulsant syndromes
    https://doi.org/10.1136/jmg.37.7.489
    → Introduces multisyndromic anticonvulsant exposure model

2002 — multisystem expansion (eye + neurodevelopment)

2005 — autism link within FACS

2009 — mechanism review (valproate embryopathy)

 

2014 — expansion of phenotype (ocular coloboma)

2017 — modern clinical reviews

 

2018–2019 — modern cohort + neurodevelopment evidence

 

2019 — official modern terminology:

Fetal Valproate Spectrum Disorder (FVSD)

 

2021 — epigenetic mechanism model

 

2023 — lifespan neurodevelopment outcomes

What is the difference between a person with FVSD and a person who is Valproate exposed?

A person with Fetal Valproate Spectrum Disorder (FVSD) is diagnosed by a Doctor or medical professional. 

A person who is "valproate exposed" has been exposed to valproate in utero but has no formal diagnosis.

Will FVSD pass to my Children?

Studies show that it can affect up to 3 generations in a family. Choosing to start a family is a difficult decision but there is a 25-50% risk of your child having features of FVSD so try to bear that in mind and consider what complications could arise. There is very little evidence or research on this currently. 

Common Search Terms

Known names and research terms

The condition now most commonly called Fetal valproate spectrum disorder (FVSD) has been referred to by several names in the medical literature and classification systems, including:

  • Fetal valproate syndrome (FVS)
  • Fetal valproic acid syndrome
  • Valproic acid embryopathy
  • Valproate embryopathy
  • Embryofetal valproic acid syndrome
  • Fetal anticonvulsant syndrome (FACS)
  • Fetal antiepileptic drug syndrome
  • “Valproic acid fetal effects”
  • “Susceptibility to valproate embryopathy” (seen in some ontology/databank listings)
  • “Valproic acid antenatal infection” (appears in some database synonym sets, though not standard clinical terminology)

Current expert consensus favors “Fetal valproate spectrum disorder (FVSD)” because prenatal valproate exposure can produce a wide spectrum of physical, cognitive, and neurodevelopmental effects rather than a single fixed syndrome.

PubMed Searches

("Valproic Acid" [MeSh] OR valproate OR "valproic acid"

AND
(pregnancy OR prenatal OR "in utero" OR gestation)
AND
("Congenital Abnormalities"[MeSH] OR teratogenicity OR malformation*
OR "fetal valproate syndrome" OR "fetal valproate spectrum disorder"
OR autism OR "neurodevelopmental disorder*" OR intellectual disability)