Nothing prepares you for becoming a mother.
You can read books, attend classes, and listen to advice from family and friends, but the moment your child enters the world, everything changes.
What surprised me most was learning that motherhood doesn’t just change your lifestyle.
It changes your brain.
Scientists have discovered that pregnancy and early motherhood physically reshape certain areas of the brain. A landmark study published in Nature Neuroscience found that pregnancy causes measurable changes in brain regions involved in empathy, emotional processing, and social understanding. Remarkably, some of these changes can still be detected years after giving birth.
In other words, motherhood literally rewires the brain.
This may explain why many mothers develop an almost instinctive awareness of their child’s needs.
Another lesson I learned is that sleep is far more important than I ever realised.
Research shows that new mothers can lose hundreds of hours of sleep during their baby’s first year. Sleep deprivation affects memory, concentration, mood, and emotional resilience. Scientists have found that even moderate sleep loss can increase stress hormones and make everyday challenges feel significantly harder.
This explains why simple tasks can sometimes feel overwhelming during early motherhood.
Yet despite the exhaustion, mothers continue caring for their children day after day.
That is something science is still trying to fully understand.
One explanation involves oxytocin, often called the “love hormone.”
During pregnancy, childbirth, breastfeeding, and close physical contact, oxytocin levels increase. Research suggests that oxytocin helps strengthen the bond between mother and child, promotes nurturing behaviour, and may reduce stress responses.
It is one of the reasons a mother’s embrace can be so powerful for both mother and child.
Motherhood also taught me that children do not need perfection.
Many mothers place enormous pressure on themselves to do everything right.
Yet developmental psychologists have long argued that children do not need perfect parents. British paediatrician and psychoanalyst Donald Winnicott introduced the concept of the “good enough mother,” suggesting that children thrive when parents are loving, responsive, and emotionally available—not flawless.
That idea brought me enormous comfort.
Because motherhood is messy.
Some days are wonderful.
Some days are exhausting.
Most days are a mixture of both.
Perhaps the biggest lesson I learned is that motherhood reveals strengths you never knew you had.
Researchers studying resilience have found that people often discover new capacities when faced with meaningful responsibilities. Caring for a child requires patience, adaptability, sacrifice, and perseverance.
Mothers demonstrate these qualities every single day.
The world often celebrates major achievements.
Promotions.
Awards.
Qualifications.
But some of the greatest achievements happen quietly.
A mother comforting a sick child at 3 a.m.
A mother putting her child’s needs before her own.
A mother showing up again and again, even when she is exhausted.
Science can explain many aspects of motherhood.
It can explain hormones.
Brain changes.
Sleep deprivation.
Attachment.
But there is one thing science cannot fully measure.
The depth of a mother’s love.
And perhaps that is what makes motherhood one of life’s most extraordinary journeys.