Dive into our detailed Cat Pregnancy Calendar, an indispensable tool for every cat enthusiast. Knowledge about the remarkable process of feline gestation can significantly improve your ability to care for your treasured pet during this important phase. In the ensuing lines, we will dissect each phase of pregnancy, highlighting the week-by-week transformations and behaviors to watch out for. With this guide, you’re set to aptly assist your expectant queen and mark every key stage of her path to motherhood.

The gestation period – the time from conception to birth – in cats typically spans around 63 days. However, this duration might extend by a few days for specific breeds like the Siamese. Much like human childbirth, feline birth does not adhere to a rigidly fixed schedule. This means that there might be a variance of a few days between the expected timeline and the actual events with your cat, hence preparing for such deviations is advisable.

Let’s embark on a comprehensive exploration of your cat’s pregnancy journey, from the moment of conception right up to birth. We’ll provide a weekly breakdown to offer you a detailed, week-by-week roadmap. This will include identifying key changes and milestones to expect in your expectant feline friend, ensuring that you’re better prepared to navigate this remarkable journey alongside her. Understanding these stages will not only help you provide optimal care but will also bring you closer to the captivating world of feline gestation.

Cat Pregnancy Calendar [Week by Week]

Week 1 [Days 1-7]

The initiation of your cat’s pregnancy journey takes place with the act of mating and subsequent fertilization. However, it’s noteworthy that concrete signs of pregnancy may not be observable until a few weeks have passed. Should your cat be fertile and have had an encounter with a male cat, it’s highly plausible that conception has taken place. Interestingly, feline biology allows for a litter of kittens to have more than one father. This can happen if your cat has mated with multiple male cats around the time of conception.

In the week following mating, the male cat’s sperm seek out the female cat’s eggs for fertilization. Once the eggs are fertilized, they commence their journey to the uterus. This marks the beginning of a remarkable voyage that culminates in a new litter of kittens. It is within the nurturing confines of the uterus that these fertilized eggs will grow and develop throughout the course of the pregnancy.

The day I adopted my beautiful Lotto. I didn’t know she was in the first week of her pregnancy back then.

Week 2 [Days 8-14]

As the second week of the pregnancy unfolds, a significant development takes place. The fertilized eggs, having made their voyage to the uterus, begin to implant themselves into its lining. This implantation signifies the start of a remarkable transformation.

Once securely implanted, each fertilized egg embarks on an intricate process of cellular division and differentiation. This journey will eventually culminate in the formation of distinct kittens. Inside the protective environment of the uterus, the embryos start developing crucial body systems and structures, slowly taking on recognizable forms. It’s a fascinating and delicate process, taking us another step closer to the birth of a new litter of kittens.

Week 3 [Days 15-21]

As your cat enters the third week of pregnancy, the implanted embryos experience a significant transformation. They begin the complex task of organogenesis, the formation of individual organs, making the third week a critical time in their development. This considerable progress also induces a substantial hormonal surge within the expectant feline mother.

Around this time, you might start observing subtle physical changes in your cat. One such notable change can be seen in her nipples. They may take on a darker hue and become visibly enlarged, a phenomenon often referred to as ‘pinking.’ This is one of the earliest signs of feline pregnancy. Pinking is an outcome of increased blood flow and preparation for nursing, indicating that your feline companion is well on her way through the journey of pregnancy. It’s a beautiful physical marker of the impending motherhood that awaits her.

Week 4 [Days 22-28]

As your cat advances into the third or fourth week of her pregnancy, she might begin to display signs reminiscent of morning sickness, a common symptom in many mammalian pregnancies. She may exhibit a diminished interest in food and occasionally succumb to bouts of vomiting. Contrary to its name, morning sickness doesn’t strictly occur in the mornings, and these symptoms might manifest at any time of the day.

While these symptoms are generally a normal part of feline pregnancy, severe or prolonged vomiting warrants immediate veterinary attention. Your vet can assess your cat’s condition and provide appropriate care to ensure both her and her kittens’ well-being.

Around day 18 post-conception, your vet can potentially confirm the pregnancy via an ultrasound scan. This non-invasive procedure allows the vet to visualize the embryos and monitor their development. By the conclusion of the fourth week, a manual examination of your cat’s abdomen by a professional can also definitively confirm the pregnancy, provided an ultrasound hasn’t been performed already.

As the pregnancy progresses, it’s crucial to handle your cat with extra caution. Post the fourth week, you should refrain from picking her up. This is to prevent any accidental harm to the growing kittens nestled within her. Always prioritize gentle interactions, ensuring your feline friend feels secure and unthreatened during this sensitive phase of her life.

Week 5 [Days 28-35]

As your cat embarks on the fifth week of her pregnancy journey, an interesting milestone is reached. An experienced professional, such as a seasoned breeder or a vet, will be able to discern the presence of the kittens through the abdominal wall.

Upon careful examination, they can feel the small, distinct shapes that indicate the presence of growing kittens within the womb. This delicate palpation of the stomach provides a tactile affirmation of the miracles taking place within your feline friend.

Furthermore, based on their expertise, they may even be able to estimate the size of the litter your cat is expecting. It’s an exciting moment, offering a preliminary glimpse into the number of kittens you may soon be welcoming into your home. Yet, it’s important to note that this count should be considered an estimate as it’s difficult to accurately determine the exact number at this stage. The fifth week, thus, marks an intriguing point in your cat’s pregnancy, bringing the impending birth closer to reality.

Weekly cat pregnancy calendar: Lotto pregnant
Weekly cat pregnancy calendar: At the beginning of week five, I figured out that my beautiful Lotto was pregnant.

Week 6 [Days 36-42]

As your cat navigates through the sixth week of pregnancy, there’s a marked change in her eating habits. You’ll likely observe a significant surge in her appetite as she instinctively starts building up the necessary food reserves required to nourish her upcoming litter. At this stage, she isn’t merely eating for herself, but also for her growing kittens. The nutritional needs of both the mother and her kittens are escalating, and your cat’s increased appetite is a response to this demand.

To cater to her dietary needs, you should permit your cat to consume as much food as she desires. Moreover, it’s imperative to ensure that the food she’s consuming is of high quality and complete. This means that the food should be nutritionally balanced, providing all the necessary proteins, fats, carbohydrates, vitamins, and minerals that are essential for her and her kittens’ well-being.

An equally thrilling development during the sixth week is the visible and tactile signs of the kittens’ movements within the stomach. You may have the opportunity to witness and even feel these little lives stirring within her. This is a truly remarkable moment, providing a tangible connection to the lives developing inside your feline companion. It’s a heartwarming reminder of the incredible journey of motherhood that your cat is traversing.

Weekly cat pregnancy calendar: Lotto pregnant
I could feel the kittens’ movements within my dear Lotto’s stomach! It was an amazing experience!

Week 7 [Days 43-49]

As your cat reaches the seventh week of her pregnancy journey, her physical transformation becomes particularly evident. Her pregnancy will be quite noticeable at this point, and her body will reflect the life burgeoning within her.

Her belly, carrying the growing kittens, will assume a distinctly rounded shape. This roundness isn’t just a visual marker of her pregnancy, but a testament to the wonders of feline gestation unfolding within her. The transformation of your cat’s physique is a beautiful spectacle, signifying her body’s incredible adaptability as it prepares to welcome new lives into the world.

This pronounced physical change underscores the need for extra care and comfort. As her belly grows, it’s essential to provide a nurturing environment that allows her to move freely and rest comfortably. Always keep in mind that this seventh week marks a significant stage in her journey, bringing her closer to the joys and challenges of motherhood.

Week 8 [Days 50-56]

As your feline companion ventures into the eighth week of pregnancy, her physical changes are prominently displayed. The kittens growing within her belly can now be felt effortlessly, their presence an undeniable testament to the nearing end of the gestation period.

Your cat’s nipples will be strikingly large and pronounced at this stage, readying themselves for the impending nursing period. She may also devote a considerable amount of time to self-grooming, displaying increased attention to her personal cleanliness.

In line with these changes, you might notice that she begins to shed fur on her belly. This is a common occurrence in pregnant cats and is part of the natural preparation for the arrival of their kittens. There’s no need for concern as her fur will regrow post-delivery, once her body has adjusted to the demands of motherhood.

Her appetite may begin to wane slightly during this time. This is largely due to the growing kittens exerting pressure on her stomach, reducing its capacity. Despite this, it’s vital to continue providing her with nutritious meals to support her during this critical period.

Around the eighth week, your cat may also start showcasing nesting behaviors. She’ll be on the lookout for a suitable spot to birth her kittens, which might not always align with your preferred location. It’s essential to provide her with a quiet, comfortable, and safe space where she feels secure to give birth.

As she approaches the final stages of pregnancy, her body will continue to prepare for the birth and the subsequent nursing period. About a week before she’s due to give birth, her milk will descend. You may even notice droplets of milk at the tips of her nipples, signaling her readiness to feed her forthcoming kittens. This period is a beautiful display of nature’s design in preparing a mother for the arrival of her offspring.

Week 9 [Days 57-63]

Weekly cat pregnancy calendar: My beautiful Lotto when she was pregnant. Just before three days before she gave birth.
Weekly cat pregnancy calendar: My beautiful Lotto when she was pregnant. Just three days before she gave birth.

As your cat’s pregnancy progresses toward its final stages, the kittens within her continue their growth, steadily increasing in size. Concurrently, your cat might exhibit a mild discharge from the vulva, which could be tinged with a hint of red. These signs underscore the fact that the kittens are preparing for their journey into the world, and the onset of labor could commence at any moment.

During this period, it’s not uncommon for your cat to display certain behavioral changes. She may appear noticeably anxious or seek your reassurance more than usual, underlining her instinctual awareness of the approaching birthing process. She might also establish herself in her chosen nesting box or bed, marking her territory for the upcoming delivery. Such behaviors typically suggest that labor is on the horizon, and the much-anticipated arrival of the kittens is imminent!

It’s crucial to ensure your feline friend’s comfort during these pivotal moments. The creation of a quiet, safe, and comfortable birthing environment is of utmost importance. Providing her with gentle reassurance and care can help ease her anxiety and prepare her for the final stretch of her pregnancy journey. Remember, this time is filled with anticipation, not just for you, but for your feline companion as well. She’s about to embark on the incredible journey of motherhood, and your supportive presence can make a significant difference.

Week 10 and onwards [Days 64-]

As the tenth week of your cat’s pregnancy approaches and there’s still no sign of the kittens’ arrival, you might find yourself in a period of anticipatory waiting. Some cat breeds, particularly those with an oriental lineage like the Siamese, have been known to extend their pregnancy into the early days of the tenth week before going into labor. This is simply a characteristic of the breed, demonstrating the diversity in gestation lengths across different cat types.

However, if your cat reaches the end of the tenth week and the kittens still haven’t made their debut, it’s advisable to seek professional advice. At this point, reaching out to your vet becomes crucial. They can provide guidance and perform any necessary checks to ensure the health and safety of your cat and her unborn kittens.

Prolonged pregnancies may sometimes indicate complications, so it’s important to monitor your cat’s condition closely during this time. Regular consultations with your vet will ensure that any potential issues are promptly addressed, maintaining the well-being of your feline friend and her soon-to-be-born kittens.

The final stretch of your cat’s pregnancy is a time of excitement, anticipation, and also a little uncertainty. Through diligent observation and timely veterinary intervention, you can ensure a safe and healthy delivery for your cat, welcoming a new litter of kittens into your home.

Increased Affection in Pregnant Cats

During pregnancy, cats often display heightened levels of affection and dependency toward their human caregivers. This shift in behavior can be attributed to a combination of hormonal changes and the increased need for security and care during this period.

Firstly, similar to humans, pregnant cats experience significant hormonal changes that can influence their behavior. One of these hormones is oxytocin, commonly referred to as the “love hormone,” which plays a vital role in social bonding and maternal behaviors. The rise in oxytocin levels may cause your cat to seek more physical contact or cuddling.

Secondly, pregnant cats often need a safe and secure environment to nurture their developing kittens. As their human companion, you represent a source of safety and comfort. Therefore, your pregnant cat may form a deeper bond with you as she relies on your care and companionship during this crucial time. This might manifest as your cat seeking your presence more frequently, following you around the house, or showing increased levels of affection.

Moreover, providing extra care and attention during this period – such as ensuring a nutritious diet, providing a comfortable nesting area, and regular vet check-ups – can reinforce this bonding experience. It’s a unique and precious time when you can foster a deepened relationship with your cat, making her feel loved, safe, and cared for as she prepares for motherhood.

Lotto pregnant
During pregnancy, cats often display heightened levels of affection and dependency toward their human caregivers.

Keep in mind during your cat’s birth:

  1. Active contractions without the delivery of a kitten within 15-20 minutes can indicate a potential complication. It’s critical during this time to remain vigilant and seek immediate veterinary attention. Your vet will be able to provide the necessary care to ensure the safe delivery of the kittens. This prompt response could prevent unnecessary distress to your cat and the unborn kittens.
  2. If you notice part of the fetus or placenta emerging from your cat’s vulva, and she fails to deliver the kitten rapidly (within a minute or two), it’s crucial to get her to the vet as soon as possible. This could suggest an issue with the birthing process, which may require professional intervention. Always prioritize your cat’s well-being and the safe delivery of her kittens.
  3. Cats often rest between delivering kittens, and this is a completely normal aspect of the birthing process. My dear Lotto also took a break of about 90 minutes before delivering her 5th kitten. However, if more than two hours elapse without the birth of the next kitten, it’s advisable to consult your cat’s vet. This prolonged interval could signify a delay or complication that needs immediate veterinary attention. Always keep a watchful eye on the progression of labor to ensure it proceeds smoothly.
  4. Post-delivery care for your cat often referred to as “queening,” is equally important. After she has completed the birthing process, it’s a good practice to have her examined by your vet. This examination can help confirm that all kittens have been delivered and that your cat is in good health post-delivery. Remember, the health and recovery of the mother cat is just as essential as the well-being of her newborn kittens.

Extending these points, it’s crucial to keep in mind that your role during your cat’s birthing process is to provide a safe, quiet, and comfortable environment, and to intervene only when necessary. When you observe any abnormal signs, don’t hesitate to seek professional help. Your prompt action can make a significant difference in ensuring a safe delivery and the health of your cat and her kittens.


M. Özgür Nevres

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