The Centers for Disease Control and Prevention recommend special precautions for pregnant women regarding the Zika virus.
If You Are Pregnant, Do Not Travel to Areas with Zika
If you must travel, talk with your doctor or other healthcare provider first.
If your sexual partner travels to an area with Zika, protect yourself from getting Zika by practicing safe sex. The amount of time you need to protect yourself depends on whether your partner has symptoms and whether you are pregnant or trying to get pregnant. For specific guidelines, talk with your doctor.
If you are trying to get pregnant, talk with your doctor about your travel plans. If You Live in, or Travel to, an Area with Zika Take steps to prevent mosquito bites. (Even if you do not feel sick, travelers returning to the U.S. from an area with Zika should take steps to prevent mosquito bites for three weeks so they do not spread Zika to mosquitoes that could spread the virus to other people.) Take steps to prevent getting Zika through sexual contact by practicing safe sex. Talk with your doctor about any additional precautions you should take, even if you don’t feel sick.
Source: Centers for Disease Control and Prevention