Have you ever wondered how long whales are pregnant? With the massive size of whale babies, it comes as no surprise that whales have long gestation periods. Dive in to find out how long whales are ...

For humans, the gestation period can last forty weeks. There are cramps, morning sickness, strange food cravings, increasing discomfort, and a multitude of other effects. And the nine months of ...

Pregnancy can sometimes feel like it lasts forever, but for an Australian marsupial called a swamp wallaby (Wallabia bicolor), pregnancy truly never ends. Researchers recently discovered that female ...

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