Amish, Mennonite, and Hutterite
Genetic Disorder Database

Aromatase deficiency

Disorder
OMIM #: #613546  (Click to access OMIM database)
Disorder: Aromatase deficiency 
Also known as:  
Clinical
Phenotype: male: masculinization of mother during pregnancy, eunucoid proportions female: masculinization of mother during pregnancy, clitoromegaly, posterior labioscrotal fusion, primary amenorrhea, virilization, enlarged cystic ovaries, absent breast development,  
Seen In: Amish
Old Order Mennonite
Old Colony Mennonite
Unknown/Other Mennonite
Hutterite
Remarks:

Testing is available at LHSC.

Autosomal recessive 

Mutations
1   Old Order Mennonite  
Gene: CYP19A1
Base Change: G>A, at nucleotide 1304
Amino Acid Change: arg 435 --> his
Last updated: 2022-11-01 

References
Bulun SE. (2014) Aromatase and estrogen receptor α deficiency. Fertility and Sterility 101(2): 323-329.
PubMed ID: 24485503 
Kim SY, Colaiacovo S, Dave S, Coughlin K, Langdon K, Stein R, Saleh M. (2021) Aromatase deficiency in an Ontario Old Order Mennonite family. J Pediatr Endocrinol Metab Aug 5;34(12):1615-1618.
PubMed ID: 34348419 

Back