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The mini-microscope shows the link between oestrogen and the salt levels in your saliva. As ovulation approaches, your oestrogen levels increase and this increases the salinity (salt levels) of your saliva.

When dried saliva is viewed under a microscope, the crystallised patterns that are formed by increased salt levels are different from the patterns which form when salt (and oestrogen) levels are low.


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*Running on iOS 11.0 or later and Android KitKat or later

Shipping and returns

Orders are shipped within the next business day. All orders are shipped from Hungary, Europe with national post or fast shipping service providers e.g. GLS, DHL.

Estimated standard shipping delivery times:
Hungary: 1-2 business days
Europe: 2-6 business days
USA, Canada: 5-14 business days
Rest of the world: 7-14 business days

Estimated fast shipping delivery times:
Worldwide: 1-4 business days