Assertion: ulipristal acetate | /r/HasProperty | given surge
Facets:
value: in 100% of cycles
type: TEMPORAL
Source sentences:
text: It does this more effectively than levonorgestrel.8 Ulipristal acetate delays ovulation by at least five days when given before the onset of the luteinising hormone (LH) surge in 100% of cycles; in comparison, levonorgestrel only achieves this in 25% of cycles.8