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A study was conducted to investigate the seroprevalence of the rubella virus amongst pregnant women and the relationship it has with the duration of pregnancy, premature delivery, and past history of abortion in pregnant women visiting the Yaounde Gynecological, Obstetric and Pediatric Hospital (HGOPY). 211 pregnant women attending the prenatal consultation of mean age 27±5.99 years were randomly selected and screened for rubella IgG antibodies. 39.3% of them were in their third trimester of pregnancy while 25.6% and 35.1% were in their first and second trimester of pregnancy respectively. 11.73% of the women had a history of premature delivery and 40.3% had a history of at least one abortion. Spearman's correlation was calculated between antibody titre and age. 88.6% of pregnant women were seropositive while 9% (susceptible) were seronagative and 2.4% had equivocal results. The most susceptible women to rubella infection were in the age group 26E30 years while women in the age group 21E25 years band were the most seropositive. There was a strong correlation between the antibody titre and age (r=0.549 p<0.01). There was no statistical difference between the pregnancy in trimesters and antibody titres (p=0.0926) as well as between the number of previous abortions and the antibody titre (p<0.01, r=0.246). No correlations between antibody titre and pregnancy duration, or occurrence of premature births. There was a weak correlation between the antibody titre and number of previous abortions.

Clinical studies on seroprevalence of rubella virus in pregnant women of Cameroon regions.