Q:

How long are Yorkshire terriers in heat?

A:

Quick Answer

Yorkshire terriers are in heat for 2 to 3 weeks, although individual dogs may vary. The beginning of the heat cycle, or estrus, is marked by a swelling of the external vulva. This is followed by vaginal discharge. Estrus has ended when the vulva returns to its normal size and the discharge stops.

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How long are Yorkshire terriers in heat?
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Full Answer

Ovulation will usually start once the vaginal discharge takes on a watery consistency. This is the time during which she will be receptive to breeding by a male dog. Since sperm can survive for a week in the reproductive tract, it is possible for a Yorkshire terrier to get pregnant any time during her estrus cycle.

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