Mammals Gestation Period

For mammals the gestation period is the time in which a fetus develops beginning with fertilization and ending at birth. The length of a human pregnancy is usually referred to as 9 months for a baby which is not completely accurate.

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The mouse has a gestation period of about 19 to 21 days it comes at number 2 in the list of mammals with the shortest gestation period.

Mammals gestation period. In every three to five days the female experience estrus. Gestation period days reference min max average alpaca. The table below shows the gestation periods for some animals mammals.

For most species the amount a fetus grows before birth determines the length of the gestation period. Here is a pregnancy period comparison chart of human babies selected pets and other mammals. The duration of this period varies between species.

The pregnancy progresses quickly despite undergoing many stages. 217 camel 360 420 390 cat 58 67 64 chimpanzee. 230 250 240 chinchilla.

The table below shows the gestation periods for some animals mammals. 279 292 286 deer white tailed 201 dog 58 65 61 donkey. Gestation period varies in different animal species and it is determined by the characteristics of the species.

The pregnancy is more likely to happen when the female mouse mates with only one male. 105 115 110 chipmunk. 185 bear 220 bear 215 bear 241 beaver.

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