Feb. 25, 2021, 3:58 PM EST
By Elizabeth Chuck | NBCNews.com

“We don’t have enough of this research, and that’s why I felt like it was so important to do it,” said one of the first pregnant women in the country to sign up for a Covid vaccine clinical trial.

Data on pregnancy and the Covid vaccine is sparse. These women are changing that.

When Caitlynn Ott of Silver Bow County, Montana, found out she was pregnant with her third child, her excitement was tinged with anxiety.

Ott, 32, knew that pregnancy raises a woman’s risk of getting severely ill if she catches the coronavirus. But she did not know whether it was safe for pregnant women to get vaccinated against the virus — because there is hardly any data on the subject yet.

So when one of her doctors mentioned that there was a new Covid-19 vaccine clinical trial by the drugmaker Pfizer and its German partner, BioNTech, specifically for expectant mothers, she decided to enroll.

“We don’t have enough of this research, and that’s why I felt like it was so important to do it,” Ott, who is in nursing school, said. “I’m so incredibly excited.”

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