
Share
Published 11:28 28 Mar 2018 BST
Add us as a preferred source on Google »
"If it did, it would be extremely serious and life-threatening. The swelling in Polly’s artery was 5cm in diameter and getting bigger.
"Blood flow through this artery is particularly strong during pregnancy, so we knew doing nothing was not an option."
The operation was a success and Polly was able to carry on her pregnancy until 38 weeks, when she gave birth to a healthy baby boy, Gus, by planned Caesarean section on 5 September.
Six months on, Polly and baby are doing well.
"I feel so incredibly grateful for all the amazing care we had for the whole time at St George’s," she said. "I always felt in safe hands."Explore more on these topics: