Hmm. How do I put this.
I'm aggressively self anti-natalist and therefore the wrong person to ask.
But, you're asking so I'll try to answer. If I had to try to put myself in those shoes, with the presumption it's a wanted pregnancy, I would seriously consider the risks. Old vaccines are well proven within pregnancy so if my doctor said I should get one for a common condition I probably would.
For the new vaccine I would have to weigh the risk. The research says there's a serious increased risk for major covid-based complications (both with being more likely to have severe long term symptoms, and for the baby to be born premature and have a higher mortality rate). Weighing that against the fact that the pfeizer vaccine is under-studied in pregnant women it would depend a lot on my COVID risk factors.
Like if I were working a public facing job like a grocery, the same one G got sick at, the answer would be yes. If I were in a position where everyone worked from home and my only exposure factor was a 30 minute grocery trip once per week, I would probably wait for more information to be released before making a decision.
But, again, I'm not a mom. I've never wanted and will never want to be a mom. So I may not be a good person to ask because I'm not going to have any emotional stakes in this. I like to think I would be weighing raw numbers in my mind but the reality may be different.