As Barack Obama was mid-way through a speech on his healthcare reforms, a pregnant woman standing behind him was on the verge of fainting.
Karmel Allison of San Diego, who is diabetic, was standing with a group of supporters of the healthcare law.
When the US President spotted she was struggling, he put an arm around her, telling her: "I got you", and joking that this was what happened when his speeches dragged on for too long.
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She was helped from the stage and he carried on with his speech.
Obama admitted problems with the rollout of the Affordable Care Act's new online enrolment system, after a host of computer glitches marred the launch.
He admitted the site, healthcare.gov, "hasn't worked as smoothly as it was supposed to work".
He went on: "There's no sugar coating - the website has been too slow, people have been getting stuck during the application process and I think it's fair to say that nobody's more frustrated by that than I am."