Anyone know how reliable Femometer tests are

Hey everyone,
I am stull currently breastfeeding my 19 month old so periods are still crazy so irregular and cb opks ran put this month so i kind of took a break, now on cycle day 40 and have been feeling a little crazy lately and run down but i have a toddler so thats the norm.
Decided to take a test got femometer ones from amazon and took one opk and one hpt and my test both came back positive, hpt is very faint but is positive so confused.
Are these tests faulty ??
Cervic is high and firm like tip of nose
Sorry about the long read tia
I am stull currently breastfeeding my 19 month old so periods are still crazy so irregular and cb opks ran put this month so i kind of took a break, now on cycle day 40 and have been feeling a little crazy lately and run down but i have a toddler so thats the norm.
Decided to take a test got femometer ones from amazon and took one opk and one hpt and my test both came back positive, hpt is very faint but is positive so confused.
Are these tests faulty ??
Cervic is high and firm like tip of nose
Sorry about the long read tia
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