AF came today. One app says to start testing cd 18 the next cd 25? CD 19 would be 2 weeks after af. Which one should I start on? I normally get a positive on day 14 but it will stay positive for 4 days in a row.

Bella
AF came today. One app says to start testing cd 18 the next cd 25? CD 19 would be 2 weeks after af. Which one should I start on? I normally get a positive on day 14 but it will stay positive for 4 days in a row." />

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