Can Cats Sense Pregnancy: Myths and Facts

Cat Behavior & Communication Ariana Perry March 11, 2025

Can cats sense pregnancy? Many pet owners have this doubt.

Cats, known for their keen senses, may exhibit changes in behavior around pregnant owners.

This article shows whether these behaviors are tied to an ability to detect pregnancy or simply a response to shifts in environment and routine.

Examining the science behind this belief can offer more clarity and helpful insights for cat owners expecting a baby.

Can Cats Sense Pregnancy?

No, there is no definitive scientific evidence that cats can specifically sense pregnancy.

However, cats may notice changes in their owner’s behavior, routine, or scent due to hormonal changes during pregnancy, which can affect their behavior.

Understanding Cats’ Senses

Cats’ Sense of Smell

Cats have an incredible sense of smell. They have around 200 million receptors.

Humans only have about 5 million. This helps cats detect small changes in their environment.

Pregnancy hormones may not create a specific scent, but cats might notice changes in their owner’s smell.

Cats’ Hearing Ability

Cats can hear much higher frequencies than humans. They can hear sounds from 48 Hz to 85 kHz.

Humans can only hear up to 20 kHz. This ability may help cats hear a baby’s heartbeat or other pregnancy-related sounds.

Cats’ Sensitivity to Behavior and Routine Changes

Cats are highly attuned to their owners’ behaviors and routines.

Any changes, such as altered feeding times, less attention, or more resting time, can trigger a response in cats.

They are creatures of habit, and even small disruptions in their environment can lead to noticeable changes in their behavior.

When you’re pregnant, shifts in your energy, mood, or daily habits could signal to your cat that something is different, making them more sensitive to these subtle changes.

Hormonal and Potential Changes on Cats

Hormones During Pregnancy

Pregnancy triggers several hormonal changes. Key hormones include hCG, progesterone, and estrogen.

HCG helps confirm pregnancy. Progesterone supports the uterus, and estrogen aids fetal development.

These hormones cause physical and emotional changes, like fatigue, mood swings, and nausea.

Can Cats Detect Hormonal Changes?

There’s no clear proof that pregnancy hormones create detectable odors. However, cats are highly sensitive to smells.

They may detect subtle changes in body odor, sweat, or pheromones. These shifts could make cats aware something is different, even if they can’t pinpoint pregnancy.

Scientific Exploration of Hormonal Effects

Pregnancy hormones affect the body in many ways.

While cats’ senses are sharp, it’s uncertain if they can perceive these hormonal changes.

Hormones like progesterone and estrogen don’t seem to produce specific smells that cats can detect, but they could still sense changes in their owner’s routine or behavior.

Behavioral Changes During Pregnancy

Changes in Your Actions and Mood

Pregnancy brings many changes to mood, energy, and daily routines. You may feel more tired, nauseous, or irritable.

Daily tasks might become more difficult, and your routine may shift. Cats notice these changes in your behavior and actions.

Cats’ Responses to Tired, Nauseous, or Less Attentive Owners

When you’re tired or nauseous, you may spend more time resting. Cats may notice this and adjust their behavior.

They might seek extra attention or become more independent if you’re not as active. Changes in your schedule can make cats feel uncertain or confused.

Can Cats React to Emotional and Physical Symptoms?

Yes, cats can react to emotional and physical symptoms. They may become more cuddly if you’re feeling down or more irritable.

Some cats may become clingier or more protective. Others might act out if the behavior change disrupts their routine.

These reactions show that cats are sensitive to environmental and mood changes.

Scientific Studies and Anecdotal Evidence

What Does Science Say About Cats Sensing Pregnancy?

There are limited scientific studies on whether cats can sense pregnancy. b

Some studies suggest that animals are sensitive to human changes, but no concrete evidence links pregnancy hormones to specific cat behaviors.

Research on animal perception of human hormonal changes is still evolving, but cats’ ability to detect shifts in scent or routine remains a topic of interest.

Possible Links Between Animal Sensitivity and Human Hormonal Changes

Animals, including cats, are known to be sensitive to environmental changes. Some studies show that animals can sense hormonal shifts related to stress or emotions.

While no studies have confirmed that cats can detect pregnancy hormones specifically.

Their heightened sense of smell and hearing could allow them to notice other subtle changes related to pregnancy, such as changes in behavior or body odor.

Anecdotal Evidence from Cat Owners

Many cat owners share stories of their cats behaving differently when they become pregnant.

Some cats become more affectionate, clingy, or protective. Others act out, showing signs of confusion or distress.

While these experiences are widely shared, they remain anecdotal, based on personal observations rather than scientific proof.

It’s unclear how common these experiences are, but they suggest that cats might notice when something is different in their environment.

How Your Cat Might React to Your Pregnancy

Signs That Your Cat May Know Something Is Different

Cats may show protective behaviors, like following you around more or sitting close to you.

Some cats might become more affectionate, seeking out extra attention. Alternatively, some may act out by peeing in unusual spots or hiding.

Increased attachment or a sudden need for closeness could signal that your cat senses something is changing.

Why Your Cat Might Be Confused or Anxious

From your cat’s perspective, pregnancy brings a lot of changes.

They might be confused by your altered behavior, such as being more tired or irritable. Cats thrive on routine, and pregnancy can disrupt feeding schedules or playtime.

This change in their environment can cause stress or anxiety, making them act out or seek more reassurance from you.

Preparing Your Cat for Baby’s Arrival

Gradually Introducing Baby Items

Start by introducing baby furniture, like cribs or changing tables, one item at a time.

Place baby items in areas your cat frequents so they can find them at their own pace.

You can also play recordings of baby crying to help your cat adjust to new sounds. This will make the baby’s presence less surprising when they arrive.

Maintaining a Routine

Try to keep your cat’s routine as consistent as possible. Feed them simultaneously, and keep playtime or cuddle sessions regular.

This helps provide stability during a time of change. Keeping familiar routines will help reduce stress and help your cat feel more secure.

How to Safely Introduce Your Baby to Your Cat

Once the baby arrives, introduce your cat to the baby’s scent first. You can do this by giving your cat a blanket or an item of the baby’s clothing.

When it’s time for a formal introduction, ensure the cat and the baby are calm. Hold the baby securely and allow the cat to approach slowly, under supervision.

Keep interactions brief and positive. Never leave your cat alone with the baby.

Conclusion

It’s still uncertain whether cats can fully understand pregnancy.

Their heightened senses and ability to detect changes in routine likely make them aware of environmental shifts.

Cats may notice subtle differences in behavior, scent, and routine, which could explain their reactions during pregnancy.

As you navigate your pregnancy, it’s important to continue caring for your cat’s needs.

Maintaining a consistent routine and preparing your cat for the baby’s arrival can help reduce stress for you and your pet.

With thoughtful preparation, you can ensure a smooth transition for your cat as your family grows.