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[Seroprevalence of Toxoplasma gondii in pregnant women]
C Guerra García1, J Fernández Sampedro
1Centro de Salud Puerto de la Torre, Málaga.
Objectives:
To find the seroprevalence of Toxoplasma gondii in pregnant women and identify associated factors. To assess the relevance of systematic screening of pregnant women.
Design:
A descriptive crossover study of prevalence.
Setting:
Primary Care in the "Puerto de la Torre" district of Málaga.
Patients:
Pregnant women who gave birth in 1993 and were included in the Pregnancy Control Programme. 191 cases were studied.
Interventions:
A qualitative detection of specific IgG by means of indirect EIA. Every woman with antibodies was considered seropositive, irrespective of the title. Clinical records were the source of data.
Results:
Average age was 27.13. Seroprevalence (IgG+) was 25.7%. Crude analysis of association between IgG+y was: previous abortions, OR 5.28, C.I. 95% (2.24-12.30), P = 0.00009; domestic animals, OR 1.76, CI (0.74-4.13), P = 0.08; low economic status, OR 1.9, CI (1.04-3.4), P = 0.057; had given birth before, OR 1.5, CI (0.81-2.74), P = 0.23. The multivariant analysis for IgG+dependent variable was: for previous abortions, OR 3.81, P = 0.005; low status OR 2.13, P = 0.04; domestic animals OR 1.71, P = 0.13, independent of age. There were no interactions.
Conclusions:
There was low seroprevalence in comparison with the national average. Low economic status and previous abortions suppose the highest risks of IgG+. Screening is recommended.