More than 40 expectant mothers have died of Covid-19 in four months.
Some 30,000 pregnant women in the state have been partially vaccinated while more than 9,000 have completed their vaccinations.
The leave extends to a woman's partner if she suffers a miscarriage, as well as to people who were attempting to have a child through surrogacy.
Antibodies were detected in women given both doses of the Pfizer/BioNTech vaccine during pegnancy and in their newborns.
She says she fully supports people being inoculated, but wants to wait for more research on the vaccine’s possible effects on fertility.