Figuring 1st Cycle Day
Help! I'm 37 and ttc for the 1st time. My cycle is every 28 days but I have 3 very very light days with scant bright red blood and some dark blood then just two heavy days. Which do I count as my 1st cycle day? I used the 1st light day last month and didn't have an LH surge till the 18th cycle day. No luck. Any help is appreciated!