Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website http://www.jocmr.org

Original Article

Volume 2, Number 3, June 2010, pages 112-116


Implementation of Screening for Toxoplasma gondii Infection in Pregnancy

Tables

Table 1. Prevalence of Anti-Toxoplasma Antibodies by Trimester of First Screening
 
I trimester
(group 1)
II trimester
(group 2)
III trimester
(group 3)
Total
Anti-Toxoplasma antibodiesNo.% (95% CI)No.% (95% CI)No.% (95% CI)No.% (95% CI)
CI: Confidence Interval
IgG neg/IgM neg297575.3
(73.95-76.65)
38689.6
(86.72-92.48)
27386.9
(83.17-90.63)
363477.4
(76.20-78.60)
IgG pos/IgM neg89322.6
(21.29-23.90)
4410.2
(7.34-13.06)
3711.8
(8.23-15.37)
97420.7
(19.54-21.86)
IgG neg/IgM pos120.3
(0.13-0.47)
00
(0.00-0.00)
20.6
(0.00-1.45)
140.3
(0.14-0.46)
IgG pos/IgM pos691.7
(1.30-2.10)
10.2
(0.00-0.62)
20.6
(0.00-1.45)
721.5
(1.15-1.85)
Total39494313144694

 

Table 2. Average and Total Number of Screenings of Pregnant Seronegative Women by the Trimester of the First Screening
 
Trimester of first screeningNo. of seronegative womenAverage number of screenings(range)No. of screenings
12 - 4≥ 5
129754.1 (1 - 10)313 (10.5%)1415 (47.6%)1247 (41.9%)
23862.3 (1 - 6)118 (30.6%)247 (64.0%)21 (5.4%)
32731.2 (1 - 3)230 (84.2%)43 (15.8%)-
Total36343.7 (1 - 10)661 (18.2%)1705 (46.9%)1268 (34.9%)

 

Table 3. Screenings of Seronegative Women by Trimester of Pregnancy
 
ScreeningsNo. of women% (95% CI)
CI: Confidence Interval
Only I trimester3539.7 (8.74 - 10.66)
I trimester + II trimester3008.3 (7.40 - 9.20)
I trimester + II trimester + III trimester218160.0 (58.41 - 61.59)
I trimester + III trimester1413.9 (3.27 - 4.53)
Only II trimester1383.8 (3.18 - 4.42)
II trimester + III trimester2486.8 (5.98 - 7.62)
Only III trimester2737.5 (6.64 - 8.36)
Total3634

 

Table 4. Cases of Seroconversion by Week of Pregnancy
 
Anti-Toxoplasma IgM antibodies
Weeks of pregnancy
Case13182327323740
1NegNeg-NegPos--
2NegNegNeg--Pos-
3NegNeg----Pos

 

Table 5. Primary Infections by the Trimester in Which IgM Was Detected
 
I trimesterII trimesterIII trimesterTotal
*seroconversion**two seroconversions
IgM+ IgG+ (low or borderline avidity)9 (81.8%)1 (9.1%)1 (9.1%)*11
IgM+ IgG-3 (50%)03 (50%)**6
Total12 (70.6%)1 (5.9%)4 (23.5%)17