Method to determine the occurrence of ovulation by direct or indirect means

concept

Ovulation, fertility and pregnancy / Boots.

Ovulation, fertility & pregnancy / Boots.

The Billings method / Evelyn Billings and Ann Westmore.

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Ovulation Detection

Works from the collections

Ovulation, fertility and pregnancy / Boots.

Ovulation, fertility & pregnancy / Boots.

Ovulation, fertility & pregnancy / Boots.

The Billings method / Evelyn Billings and Ann Westmore.

Ovulation Detection

Works from the collections

Ovulation, fertility and pregnancy / Boots.

Ovulation, fertility & pregnancy / Boots.

Ovulation, fertility & pregnancy / Boots.

The Billings method / Evelyn Billings and Ann Westmore.

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