Dr Blott also stressed that the use of forceps, or other devices to aid birth was a relatively simple procedure, which many women would prefer to enduring pain over long periods.

BBC: Pain in childbirth 'a good thing'

At issue is whether a heart-plug procedure to repair a birth defect that is common in about a quarter of the U.S. population can prevent strokes in young people.

WSJ: Doctors Debate Whether Strokes Be Prevented With a Heart-Plug Procedure

But the problem is you're then asking all these women who are then undergoing IVF to produce fewer embryos with, as a result, lower likelihood that they will end up with a live birth, and they'll have to go through the procedure again.

NPR: Slate's Human Nature: Leave No Embryo Behind

Watson, a Grammy winning musician who was blinded after birth, had been struggling to recover from May 24 colon surgery and then a followup procedure two days later.

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