Probably not a "cut corner," as that's unfortunately normal[0][1] (people have been trying to change it for decades now).
Happily Pfizer and Biontech have had extensive clinical trials ongoing for pregnant women since February 2021[2][3], and there was a preliminary analysis done across 35,691 recipients that had good findings[4]. It's something that regulators have paid a lot of attention to, with tens of thousands enrolled in the V-safe COVID-19 Vaccine Pregnancy Registry.[5]