Pregnant women with trichomoniasis may have babies who are born early or at a low birth weight. Babies born early or too small can have health problems.
Metronidazole can be used during pregnancy. But some doctors feel that it's best to not use metronidazole during the first 3 months, when the baby's organs are forming. Talk to your doctor about the benefits and risks of treatment during pregnancy. Keep in mind that without treatment, you can give the infection to others.