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CORRESPONDENCE
Year : 2008  |  Volume : 26  |  Issue : 2  |  Page : 204-205
 

Occurrence of cytomegalo virus and herpes simplex virus infections in pregnancy


Department of Microbiology, Government Medical College, Amritsar - 143 001, Punjab, India

Date of Submission17-Jan-2007
Date of Acceptance26-Jul-2007

Correspondence Address:
U Arora
Department of Microbiology, Government Medical College, Amritsar - 143 001, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0255-0857.40551

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How to cite this article:
Gumber S, Arora U, Devi P. Occurrence of cytomegalo virus and herpes simplex virus infections in pregnancy. Indian J Med Microbiol 2008;26:204-5

How to cite this URL:
Gumber S, Arora U, Devi P. Occurrence of cytomegalo virus and herpes simplex virus infections in pregnancy. Indian J Med Microbiol [serial online] 2008 [cited 2019 Nov 12];26:204-5. Available from: http://www.ijmm.org/text.asp?2008/26/2/204/40551


Dear editor,

Both cytomegalovirus (CMV) and herpes simplex virus (HSV) are known to have an intrauterine route of transmission with significant mortality and morbidity. [1] Primary CMV infection in pregnancy causes a higher incidence of congenital malformations and fetal loss. [2] The virus can be transmitted in utero with both primary and reactivated maternal infections but these reactivated maternal infections seldom result in fetal damage. [3] HSV infection of the female genital tract is known to be primary as well as recurrent. [4] Primary maternal infection appears to be of greatest risk to the fetus, both early in pregnancy and at term. [5] Spontaneous reactivation occurs in spite of HSV-specific immunity in the host. However, immunity limits local viral replication so that recurrent infections are less extensive and less severe. [3] Maternal infections with adverse outcome are initially inapparent or asymptomatic and thus, difficult to diagnose on clinical grounds. Their diagnosis is usually established by seroconversion in paired sera or by the presence of specific IgM. A total of 200 pregnant women were investigated including 150 women with bad obstetric history (BOH) and 50 control women with normal obstetric history for CMV and HSV infections from October 2004 to February 2006. All the patients were in the age range of 16-41 years. Blood samples were collected, sera were separated and IgM antibodies against CMV and HSV were detected using CMV IgM enzyme linked immunosorbent assay (ELISA) and HSV-1 and -2 IgM ELISA kit (Diagnostic system laboratory) following the manufacturers' instructions. The results were interpreted as being seropositive if the optical density (OD) value of the sample was more than that of the cut-off value. Only seropositive cases were tested for IgG antibodies against CMV and HSV. CMV IgG was tested by using the ELFA (Enzyme linked fluorescent assay) technique and the HSV IgG was tested by using the ELISA technique.

All seropositive cases were in the age group of 22-30 years and were asymptomatic. Seropositivity for CMV and HSV in BOH cases is shown in the table. The difference in seropositivity of CMV between BOH and control cases was statistically significant ( P < 0.05) and for HSV was statistically insignificant ( P > 0.05). These findings were consistent with earlier studies. [1],[2],[4] Out of seven CMV seropositive cases, five cases were positive for both IgG and IgM and the remaining two were positive for IgM only. Out of five HSV IgM seropositive cases, three were positive for IgG and IgM and the remaining two were positive for IgM only. IgG seropositivity has also been demonstrated in a previous study. [2] The present study demonstrates the association of these infections with various obstetric losses which is comparable to the observations by other authors. [2],[4] Fetal outcome was studied in seropositive cases. One CMV-seropositive case had a male child with jaundice, hepatosplenomegaly and purpura. All other seropositive cases had full-term, normal delivery (FTND) of clinically normal children. Among HSV-seropositive cases, one showed preterm delivery and all others had FTND of clinically normal children.

Thus, it is concluded that CMV and HSV infections are responsible for some obstetrical losses. Unfortunately, there is no vaccine for prevention and there is no way to prevent fetuses from becoming infected once the mother acquires the infection. It is suggested that women in the reproductive age group should be screened for CMV and HSV infections especially in a developing country like India along with preexisting antenatal screening for HIV and syphilis.

 
 ~ References Top

1.Surpam RB, Kmlakar UP, Khadse RK, Qazi MS, Jalgaonkar SV. Serological study for TORCH infection in women with bad obstetric history. J Obstet Gynaecol India 2006;56:41-3.  Back to cited text no. 1    
2.Turbadkar D, Mathur M, Rele M. Seroprevalence of TORCH infection in bad obstetric history. Indian J Med Microbiol 2003;21:108-10.  Back to cited text no. 2    
3.Jawetz E, Melnick JL, Adelberg EA, Brooks GF. Herpesviruses Chapter 33. In : Jawetz, Melnick and Adelberg medical microbiology. 23 rd ed. USA: Lange Medical Books/Mcgrawhill; 2004. p. 443,435.  Back to cited text no. 3    
4.Mookherjee N, Gogate N. Incidence of HSV infection in bad obstetric history cases. Indian J Med Microbiol 1994;12:60-4.  Back to cited text no. 4    
5.Stagno S, Whitley RJ. Herpesvirus infection of pregnancy, Part II: Herpes simplex virus and varcella zoster virus infections. N Engl J Med 1985;313:1327-9.  Back to cited text no. 5  [PUBMED]  



 
 
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