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| | * [[Hamster-Male- Anatomy & Physiology|Male]] | | * [[Hamster-Male- Anatomy & Physiology|Male]] |
| | * [[Hamster-Female- Anatomy & Physiology|Female]] | | * [[Hamster-Female- Anatomy & Physiology|Female]] |
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| − | == Female ==
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| − | == Reproductive Tract ==
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| − | * Bicornuate uterus
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| − | ** Two long uterine horns
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| − | ** Little uterine body
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| − | ----
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| − | == Oestrous Cyclicity ==
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| − | * Spontaneous ovulator.
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| − | * Seasonally polyoestrus
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| − | * Oestrus every 5-7 days
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| − | ** Secrete copious white vaginal discharge during oestrus.
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| − | * Post-partum oestrus
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| − | ----
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| − | == Copulation ==
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| − | * Mating may be confirmed by the presence of a ''''copulatory plug''''.
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| − | ** A creamy, gelatinous plug formed from secretions of the male [[Male_Reproductive_Tract_-Accessory_Sex_Glands_-_Anatomy_%26_Physiology|accessory glands]].
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| − | ----
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| − | == Mammary Gland and Lactation ==
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| − | * 6 pairs of teats
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| − | ----
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| − | == Breed Differences ==
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| − | * '''Syrian (Golden) hamster'''
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| − | ** Sexually mature at 6-8 weeks
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| − | ** Gestation period: 6-8 days
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| − | ** Litter size 5-9: offspring
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| − | ** Weaned at 21-28 days.
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| − | * '''Russian Hamster'''
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| − | ** Sexually mature at 6-8 weeks
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| − | ** Gestation period: 6-8 days
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| − | ** Litter size: 4 offspring
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| − | *** Will cannabilise young if disturbed.
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| − | ** Weaned at 16-18 days.
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| − | * '''Chinese Hamster'''
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| − | ** Sexually mature at 7-14
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| − | ** Gestation period 7-14 days
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| − | ** Litter size: 4 offspring
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| − | *** Will cannabilise young if disturbed.
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| − | ** Weaned at 21 days.
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| − | ----
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