at which point

A few days later she had an operation, at which point doctors told her there was a risk the cancer had spread to her womb.

For HF and CV mortality, increase in risk was minimal until sedentary time exceeded about 10.6 hours a day, at which point risk rose significantly, showing a "threshold" effect for the behavior.

At which point, you can go through the stress of applying all over again.

The main reason, behind £146m of the total, is that repayments were taken from people despite them not earning above the annual threshold at which point repayments automatically kick in.

Wade' until he belatedly realized it wasn't popular, at which point he came up with his fatuous rationale that "everyone wanted it to go back to the states."