Evaluation of the protein C global assay during normal pregnancy and after assisted reproduction.

Abstract:

OBJECTIVE:To prospectively compare the Protein C Global assay results in a cohort of infertile women who conceived after assisted reproductive technology (ART) with results from women who conceived spontaneously. METHODS:Sixty-four infertile women who conceived after ART and 47 fertile women who conceived spontaneously were prospectively evaluated. All women in the study and control groups had singleton pregnancies. The Protein C Global assay was performed in the two groups on four occasions: during the first, second, and third trimesters, as well as 6 weeks or later after delivery (baseline). RESULTS:Protein C Global assay results declined gradually during pregnancy in both groups. However, basal as well as first- and second-trimester Protein C Global assay results were significantly lower in the infertile group compared with the fertile group, corresponding to 0.89+/-0.22 and 1.06+/-0.33 (P=.025), 0.79+/-0.15 and 0.87+/-0.19 (P=.036), and 0.73+/-0.10 0.79+/-0.13 (P=.012), respectively. CONCLUSION:These findings support the notion that infertile women conceiving singleton pregnancies after ART are a priori at an increased hypercoagulation state. Protein C Global assay levels decline gradually during pregnancy in women who conceived naturally, as well as in infertile women who conceived after ART treatment.

journal_name

Obstet Gynecol

authors

Younis JS,Shukha M,Ben-Ami M,Izhaki I,Blumenfeld Z,Brenner B,Sarig G

doi

10.1097/AOG.0b013e3181db67f3

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

969-974

issue

5

eissn

0029-7844

issn

1873-233X

pii

00006250-201005000-00015

journal_volume

115

pub_type

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