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Clearblue Fertility Monitor

By: Saundra Latham on March 14, 2017

Bottom Line Most ovulation tests give women only up to two days' notice before ovulation, but the Clearblue Fertility Monitor can identify a much longer fertile window -- up to two "peak fertility" days and four more "high fertility" days. It tracks both LH and estrogen.
Pros
  • Reliable
  • Easy to read results
  • Learns fertility patterns
Cons
  • Expensive
  • Not good for irregular cycles