The rapid growth of fibroids during early pregnancy

Laura Benaglia, Lucia Cardellicchio, Francesca Filippi, Alessio Paffoni, Paolo Vercellini, Edgardo Somigliana, Luigi Fedele

Research output: Contribution to journalArticlepeer-review

Abstract

Several studies aimed to disentangle whether pregnancy influences the growth of uterine fibroids but results were inconsistent. In this study, we speculated that fibroid enlargement during pregnancy may not be linear and we hypothesized that this phenomenon may mainly occur during initial pregnancy. To test this hypothesis, we set up a prospective cohort study of women with fibroids undergoing IVF. Cases were women achieving a viable pregnancy. Controls were the subsequent women with fibroids but failing to become pregnant. Twenty-five cases and 25 controls were recruited. The total number of fibroids in the two groups was 46 and 41, respectively. The mean ± SD diameter of the fibroids was 17±10 and 20±11 mm, respectively (p = 0.18). A statistically significant enlargement emerged exclusively in pregnant women. The median (Interquartile Range) modification of the diameter of the lesions in cases and controls was +34% (+6%/+65%) and +2% (-6%/+12%), respectively (p

Original languageEnglish
Article numbere85933
JournalPLoS One
Volume9
Issue number1
DOIs
Publication statusPublished - Jan 20 2014

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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