Factor v Leiden and prothrombin gene G20210A mutation and in vitro fertilization

Prospective cohort study

Giuseppe Ricci, Paolo Bogatti, Leo Fischer-Tamaro, Elena Giolo, Stefania Luppi, Marcella Montico, Luca Ronfani, Marcello Morgutti

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Background The influence of thrombophilia on fertility and on IVF outcome is very controversial. The objectives of this study were: (i) to compare the prevalence of Factor V Leiden (FVL) and prothrombin gene G20210A mutation (PGM) in women undergoing IVF to women with spontaneous pregnancy; (ii) to compare the IVF outcomes and the risk of complications in FVL and PGM carrier to non-carrier women. Methods From March 2005 to December 2009, a total of 510 women requiring IVF were recruited in a prospective cohort study. A separate population of 490 nulliparous women who conceived naturally was also evaluated as fertile controls. All women were tested for the presence of FVL and PGM. Results The prevalence of thrombophilic mutations was the same among women requiring IVF (6.9) and women with spontaneous pregnancy (6.9). A total of 480 patients underwent 1105 IVF cycles. There were 30 women carriers (86 IVF cycles) and 450 non-carriers for thrombophilic mutations (1019 IVF cycles). No significant differences in the mean number of oocytes retrieved and the number of good quality embryos transferred were found between the mutation carrier and non-mutation carrier women; likewise the reproductive outcome and the IVF complications were not statistically different between the two groups. The cumulative live birth rate after six IVF cycles was similar in the mutation carrier and non-mutation carrier women. For the mutation carrier women, the optimistic estimate of cumulative live birth rate after six IVF cycles was 60.8 and the conservative estimate was 50.0. Corresponding rates for the non-mutation carrier women were 56.8 and 36.2, respectively. Conclusions The results of this study suggest that FVL and PGM presence in asymptomatic women and in the absence of other risk factors do not influence IVF outcome, or represent risk factors for ovarian hyperstimulation syndrome (OHSS), or favour thrombosis after IVF. Screening for FVL and PGM does not appear to be justified to identify the patients at the risk for IVF failure, and/or for OHSS, and/or for thrombotic complications.

Original languageEnglish
Pages (from-to)3068-3077
Number of pages10
JournalHuman Reproduction
Volume26
Issue number11
DOIs
Publication statusPublished - Nov 2011

Fingerprint

Prothrombin
Fertilization in Vitro
Cohort Studies
Prospective Studies
Mutation
Genes
Ovarian Hyperstimulation Syndrome
Birth Rate
Live Birth
Pregnancy
Thrombophilia
Mutation Rate
Oocytes
Fertility
Thrombosis
Embryonic Structures

Keywords

  • Factor V Leiden
  • implantation failure
  • in vitro fertilization
  • ovarian hyperstimulation syndrome
  • prothrombin gene G20210A mutation

ASJC Scopus subject areas

  • Rehabilitation
  • Obstetrics and Gynaecology
  • Reproductive Medicine

Cite this

Ricci, G., Bogatti, P., Fischer-Tamaro, L., Giolo, E., Luppi, S., Montico, M., ... Morgutti, M. (2011). Factor v Leiden and prothrombin gene G20210A mutation and in vitro fertilization: Prospective cohort study. Human Reproduction, 26(11), 3068-3077. https://doi.org/10.1093/humrep/der261

Factor v Leiden and prothrombin gene G20210A mutation and in vitro fertilization : Prospective cohort study. / Ricci, Giuseppe; Bogatti, Paolo; Fischer-Tamaro, Leo; Giolo, Elena; Luppi, Stefania; Montico, Marcella; Ronfani, Luca; Morgutti, Marcello.

In: Human Reproduction, Vol. 26, No. 11, 11.2011, p. 3068-3077.

Research output: Contribution to journalArticle

Ricci, G, Bogatti, P, Fischer-Tamaro, L, Giolo, E, Luppi, S, Montico, M, Ronfani, L & Morgutti, M 2011, 'Factor v Leiden and prothrombin gene G20210A mutation and in vitro fertilization: Prospective cohort study', Human Reproduction, vol. 26, no. 11, pp. 3068-3077. https://doi.org/10.1093/humrep/der261
Ricci, Giuseppe ; Bogatti, Paolo ; Fischer-Tamaro, Leo ; Giolo, Elena ; Luppi, Stefania ; Montico, Marcella ; Ronfani, Luca ; Morgutti, Marcello. / Factor v Leiden and prothrombin gene G20210A mutation and in vitro fertilization : Prospective cohort study. In: Human Reproduction. 2011 ; Vol. 26, No. 11. pp. 3068-3077.
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AU - Giolo, Elena

AU - Luppi, Stefania

AU - Montico, Marcella

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N2 - Background The influence of thrombophilia on fertility and on IVF outcome is very controversial. The objectives of this study were: (i) to compare the prevalence of Factor V Leiden (FVL) and prothrombin gene G20210A mutation (PGM) in women undergoing IVF to women with spontaneous pregnancy; (ii) to compare the IVF outcomes and the risk of complications in FVL and PGM carrier to non-carrier women. Methods From March 2005 to December 2009, a total of 510 women requiring IVF were recruited in a prospective cohort study. A separate population of 490 nulliparous women who conceived naturally was also evaluated as fertile controls. All women were tested for the presence of FVL and PGM. Results The prevalence of thrombophilic mutations was the same among women requiring IVF (6.9) and women with spontaneous pregnancy (6.9). A total of 480 patients underwent 1105 IVF cycles. There were 30 women carriers (86 IVF cycles) and 450 non-carriers for thrombophilic mutations (1019 IVF cycles). No significant differences in the mean number of oocytes retrieved and the number of good quality embryos transferred were found between the mutation carrier and non-mutation carrier women; likewise the reproductive outcome and the IVF complications were not statistically different between the two groups. The cumulative live birth rate after six IVF cycles was similar in the mutation carrier and non-mutation carrier women. For the mutation carrier women, the optimistic estimate of cumulative live birth rate after six IVF cycles was 60.8 and the conservative estimate was 50.0. Corresponding rates for the non-mutation carrier women were 56.8 and 36.2, respectively. Conclusions The results of this study suggest that FVL and PGM presence in asymptomatic women and in the absence of other risk factors do not influence IVF outcome, or represent risk factors for ovarian hyperstimulation syndrome (OHSS), or favour thrombosis after IVF. Screening for FVL and PGM does not appear to be justified to identify the patients at the risk for IVF failure, and/or for OHSS, and/or for thrombotic complications.

AB - Background The influence of thrombophilia on fertility and on IVF outcome is very controversial. The objectives of this study were: (i) to compare the prevalence of Factor V Leiden (FVL) and prothrombin gene G20210A mutation (PGM) in women undergoing IVF to women with spontaneous pregnancy; (ii) to compare the IVF outcomes and the risk of complications in FVL and PGM carrier to non-carrier women. Methods From March 2005 to December 2009, a total of 510 women requiring IVF were recruited in a prospective cohort study. A separate population of 490 nulliparous women who conceived naturally was also evaluated as fertile controls. All women were tested for the presence of FVL and PGM. Results The prevalence of thrombophilic mutations was the same among women requiring IVF (6.9) and women with spontaneous pregnancy (6.9). A total of 480 patients underwent 1105 IVF cycles. There were 30 women carriers (86 IVF cycles) and 450 non-carriers for thrombophilic mutations (1019 IVF cycles). No significant differences in the mean number of oocytes retrieved and the number of good quality embryos transferred were found between the mutation carrier and non-mutation carrier women; likewise the reproductive outcome and the IVF complications were not statistically different between the two groups. The cumulative live birth rate after six IVF cycles was similar in the mutation carrier and non-mutation carrier women. For the mutation carrier women, the optimistic estimate of cumulative live birth rate after six IVF cycles was 60.8 and the conservative estimate was 50.0. Corresponding rates for the non-mutation carrier women were 56.8 and 36.2, respectively. Conclusions The results of this study suggest that FVL and PGM presence in asymptomatic women and in the absence of other risk factors do not influence IVF outcome, or represent risk factors for ovarian hyperstimulation syndrome (OHSS), or favour thrombosis after IVF. Screening for FVL and PGM does not appear to be justified to identify the patients at the risk for IVF failure, and/or for OHSS, and/or for thrombotic complications.

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