Table 1. The prevalence of bacterial, viral and parasitic infections during pregnancy.
Type Pathogens Prevalence Reference
Bacteria Chlamydia trachomatis 2.57% (Mylonas, 2012)
Neisseria gonorrhea 0.7% to 7%, (Rao et al., 2008)
Neisseria gonorrhea (risk group) 15 - 35% (Benzaken et al., 2006)
Treponema pallidum 0.71% (Gottlieb et al., 2008)
Herpes Simplex Virus 2% (Brown et al., 2005)
Parasites Trypanosoma cruzi 1% to 40% (Martins-Melo et al., 2014)
Toxoplasma gondii 8% - 22% (Hill & Dubey, 2016)
Plasmodium falciparum 2.9% (Kourtis et al., 2014)
Virus Parvovirus B19 (endemic period) 1.5% (Valeur-Jensen et al., 1999)
Parvovirus B19 (epidemic period) 13.0% (Valeur-Jensen et al., 1999)
  Cytomegalovirus 0.3% (Preece et al., 1986)
Varicella Zoster 0.16% - 0.46% (Helmuth et al., 2015)
ZIKV 0.88% (Johansson et al., 2016)