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Comparative Study
. 2008 Jun;93(6):2223-9.
doi: 10.1210/jc.2007-2521. Epub 2008 Mar 25.

Fertility and obstetrical complications in women with LMNA-related familial partial lipodystrophy

M C Vantyghem  1 , D Vincent-Desplanques, F Defrance-Faivre, J Capeau, C Fermon, A S Valat, O Lascols, A C Hecart, P Pigny, B Delemer, C Vigouroux, J L Wemeau
Affiliations
Comparative Study

Fertility and obstetrical complications in women with LMNA-related familial partial lipodystrophy

M C Vantyghem et al. J Clin Endocrinol Metab. 2008 Jun.

Abstract

Objective: Familial partial lipodystrophy due to LMNA (lamin A/C) mutations is a rare disorder characterized by a selective loss of adipose tissue and insulin resistance. Dyslipidemia and severe diabetes often occur during its evolution. Only isolated and contradictory case reports have been published on the obstetrical prognosis in lipodystrophy. The aim of our study was to compare the fertility and occurrence of obstetrical complications of women with familial partial lipodystrophy due to LMNA (lamin A/C) mutations with those of nonaffected relatives, women from the general population, and women with polycystic ovary syndrome (PCOS).

Material and methods: Data were obtained from clinical follow-up of seven families with patients exhibiting mutations in LMNA (five R482W, one R482Q, one R439C) (14 affected among 48 women).

Results: The mean number of live children per woman was 1.7 in affected patients vs. 2.8 in nonaffected relatives. Fifty-four percent of LMNA-mutated women exhibited a clinical phenotype of PCOS, 28% suffered from infertility, 50% experienced at least one miscarriage, 36% developed gestational diabetes, and 14% experienced eclampsia and fetal death. Mean blood leptin level was significantly lower in LMNA-mutated patients than in nonaffected relatives (5.0 +/- 3.8 ng/ml vs 14.3 +/- 3.6; P < 0.001) despite similar body mass index (21.0 +/- 4.2 vs 22.4 +/- 2.2; P = 0.49).

Conclusion: In these LMNA-linked lipodystrophic patients, the prevalence of PCOS, infertility, and gestational diabetes was higher than in the general population. Moreover, the prevalence of gestational diabetes and miscarriages was higher in lipodystrophic LMNA-mutated women than previously reported in PCOS women with similar body mass index. Women with lipodystrophies due to LMNA mutations are at high risk of infertility, gestational diabetes, and obstetrical complications and require reinforced gynecological and obstetrical care.

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