During cat pregnancy, hormonal changes play a crucial role in shaping a cat's behavior towards her kittens. These hormonal fluctuations occur both during pregnancy and postpartum, and they have a significant impact on a cat's maternal instincts and caregiving abilities.

One important hormone involved in cat pregnancy is progesterone. Progesterone levels rise during pregnancy and help maintain the pregnancy and prepare the mother cat for birth. As the due date approaches, progesterone levels drop, triggering a cascade of hormonal changes that prepare the cat for labor and nursing.

After giving birth, a mother cat experiences a surge in another hormone called oxytocin. Oxytocin is responsible for initiating milk production and stimulating the mother's nurturing instincts. It promotes bonding between the mother and her kittens, encouraging her to care for and protect them.

These hormonal changes can be observed through a cat's behavior. During pregnancy, a pregnant cat may become more affectionate and seek more attention from her human companions. She may also exhibit nesting behavior, searching for a safe and comfortable spot to give birth.

After giving birth, a mother cat will typically display strong maternal behaviors towards her kittens. She will groom them, nurse them, and keep them warm. The surge in oxytocin helps establish a strong bond between the mother and her kittens, ensuring their survival.

However, it's important to note that hormonal changes can also lead to some behavioral changes that may seem unusual or concerning. Some mother cats may become more protective and territorial, especially during the early stages of motherhood. They may exhibit aggression towards other animals or humans who approach their kittens, as their instincts drive them to protect their offspring.

Additionally, hormonal fluctuations can affect a cat's mood and energy levels. Some mother cats may experience mood swings or exhibit signs of restlessness or anxiety during pregnancy or postpartum. These changes are usually temporary and should resolve as the cat adjusts to her new role as a mother.

It's worth mentioning that individual cats may exhibit variations in their behavior due to genetic factors and previous experiences. While hormonal changes play a significant role, a cat's personality and past experiences also influence her behavior towards her kittens.

In conclusion, hormonal changes during cat pregnancy and postpartum have a profound impact on a cat's behavior towards her kittens. Progesterone prepares the cat for pregnancy and birth, while oxytocin triggers maternal instincts and bonding. Understanding these hormonal fluctuations helps us better comprehend and support a mother cat's needs during this critical period.

References:

1. Meuwissen, T. H. E., & Driscoll, C. A. (2021). The genetics of feline biology and disease. In The Domestic Cat: Science and Society (pp. 85-94). Cambridge: Cambridge University Press.
2. Crowell-Davis, S. L., Curtis, T. M., & Knowles, R. J. (2004). Social organization in the cat: a modern understanding. Journal of Feline Medicine and Surgery, 6(1), 19-28.