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Table 1 Monitoring chart given to patients: mock chart completed

From: Nimodipine, a calcium channel blocker, delays the spontaneous LH surge in women with regular menstrual cycles: a prospective pilot study

Cycle

Day 10

Day 11

Day 12

Day 13

Day 14

Day 15

1

LH -

LH -

LH -

LH +

  

2

 

Nimodipine

Nimodipine

Nimodipine

Nimodipine

 

Expected LH surge

LH -

LH -

LH -

LH -

LH -

LH +

3

LH -

LH -

LH -

LH +

  
  1. Nimodipine was taken 2 days before the expected LH surge as determined by the 1st menstrual cycle and continued for a total of 4 days. In this mock patient, the LH surge was noted on Day 13 during the first and third cycle, but on Day 15 during the second (nimodipine) cycle.