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  • Title: Mutations in the follicle-stimulating hormone receptor and familial dizygotic twinning.
    Author: Montgomery GW, Duffy DL, Hall J, Kudo M, Martin NG, Hsueh AJ.
    Journal: Lancet; 2001 Mar 10; 357(9258):773-4. PubMed ID: 11253976.
    Abstract:
    Concentrations of follicle-stimulating hormone (FSH) have an important role in multiple ovulation. An association has been reported between mutations in the FSH receptor (FSHR) in a family with increased twinning frequency. We sequenced the transmembrane region of FSHR (located on chromosome 2) in 21 unrelated mothers of dizygotic twins and found no differences to the published sequence. A linkage study of 183 sister pairs and trios, in which all sisters had given birth to spontaneous dizygotic twins, excluded linkage to this region of chromosome 2. We conclude that mutations in FSHR are not a common cause of familial dizygotic twinning.
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