Becoming a mother is a developmental transition that changes your brain, your identity and your workload at the same time. Anthropologists call it matrescence. Feeling disoriented inside it is normal, expected and backed by research, even though almost nobody says it out loud.
This article is part of the AlphaMa guide to pregnancy support.
Are you pregnant right now? Then you have probably read the books. You know about trimesters and kick counts and what to pack in the hospital bag. What none of those books told you is that the hardest part of motherhood is not the sleepless nights or the feeding schedules. It is that somewhere in the first year, you will look in the mirror and not fully recognize the woman looking back. Not because you look different, although you do, but because you are different, and nobody warned you.
This article is the conversation nobody had with you.
Matrescence: The Word That Changes Everything
In 1973, the anthropologist Dana Raphael coined a term for the transition to motherhood: matrescence. She meant it to sit alongside adolescence, another life stage where the body, the hormones, the brain and the social role all transform at once. Nobody expects a teenager to feel like herself. We expect a new mother to.
The psychiatrist Alexandra Sacks later carried the idea into mainstream medicine, arguing that the emotional turbulence of new motherhood is so often mislabeled as a disorder when it is actually a normal developmental storm: ambivalence, grief for your old life, waves of love and resentment arriving in the same hour. The tearfulness at week two, the intrusive what have I done thought at 3 AM, the guilt that follows it. These are not signs that you were not meant to be a mother. They are signs that you are becoming one.
Knowing the word matters because it reframes the identity crisis. You are not broken. You are in the middle of the largest identity renovation of your adult life, and renovations are messy before they are beautiful.
Your Brain Physically Changes
Here is the part that genuinely belongs in every prenatal appointment and appears in none of them. A 2017 study led by Hoekzema and published in Nature Neuroscience scanned the brains of women before and after pregnancy. Pregnancy produced long lasting changes in gray matter, specifically in regions involved in social cognition, theory of mind and tuning in to other people. The changes were still visible two years later. The researchers found that a machine learning model could identify which women had been pregnant purely from their brain scans.
Your brain is not fogging because you are failing. It is being reorganized, pruned and specialized for the most demanding social task a human can take on. Some of that reorganization shows up as forgetfulness in the short term and shows up as fierce, precise attunement to your child in the long term. You are not losing your mind. You are trading it in for a more specialized model.
The grief is real too. Functional MRI work found that the gray matter changes overlapped with regions involved in self reflection and default mode processing. Translated: the self you had is physically being edited. Of course you feel like a stranger. You are, a little.
The Grief Nobody Sanctions
Every mother interview and every research paper on the transition to motherhood circles the same quiet confession: mourning your former self. Your body, your time, your income, your spontaneity, your status at work, the version of you who could finish a thought. Society gives you one sanctioned script, be grateful, you wanted this, and no room to grieve inside it.
Grief and love are not opposites. Parents can be devastated about the loss of their old life and completely devoted to their child in the same breath. When that grief has nowhere to go, it turns inward as shame, and shame is a far heavier load than grief. Naming the loss out loud, to a partner, a friend or a professional, is one of the most protective moves a new mother can make.
The Job Nobody Describes in the Interview
Then there is the workload. Not the diapers, the diapers are the easy part. The part nobody describes is the cognitive layer. University of Bath research published in 2024 in the Journal of Marriage and Family found that mothers carry 71 percent of household cognitive labor, the remembering, anticipating, planning and worrying, regardless of how many hours they work or how much they earn. A 2026 study by Grocke-Dewey and Wanago catalogued 124 distinct invisible tasks that mothers do, most of which are mental rather than physical.
Nobody hands you this job description at the baby shower. But within months of birth, mothers report becoming the household chief of staff by default, the one who remembers the pediatrician, the daycare waitlist, the size of the diapers, the vaccination schedule and the fact that the detergent is running out. Your identity shifts twice at once: you become a mother, and you become the person who carries the plan for everyone else.
That second shift is the one you can actually do something about. Expecting it, naming it and negotiating it early, ideally before the baby arrives, changes the next decade.
You Will Not Feel Like This Forever
The last thing nobody tells you is the most important one: the identity crisis has a slope. Studies of maternal wellbeing across the first year consistently show the hardest stretch is the early months, when the demands are highest and the identity is newest. As sleep consolidates, as the baby becomes more interactive, as the mother rebuilds slivers of her own life, the sense of self reassembles. Not into the old self. Into a third self, one that contains the woman you were and the mother you became.
The mothers who come through best are not the ones who felt no disorientation. They are the ones who had language for what was happening, people who normalized it, and practical relief from the mental load. That is exactly why we built AlphaMa: someone, or something, should finally carry the 124 invisible tasks so you have room to figure out who you are becoming.
If the way you feel slides past disorientation into hopelessness that persists for more than two weeks, or thoughts of harming yourself, that is beyond matrescence and it deserves real care, fast. Talk to your doctor or a perinatal mental health specialist. In a crisis, call or text 988 in the United States.
You are not losing yourself. You are becoming someone your old self could not have imagined.
Sources
- Raphael, D. (1973). The concept of matrescence, Journal of Midwifery and Women Health https://pubmed.ncbi.nlm.nih.gov/15324747/
- Hoekzema, E. et al. (2017). Pregnancy leads to long lasting changes in human brain structure, Nature Neuroscience https://www.nature.com/articles/nn.4458
- University of Bath (2024). Cognitive labor in households, Journal of Marriage and Family https://www.bath.ac.uk/announcements/mothers-bear-the-brunt-of-the-mental-load-managing-7-in-10-household-tasks/
- Grocke-Dewey, M. and Wanago, N. (2026). Invisible labor study https://alphamothers.com/resources/invisible-labor-kin-keeping-124-tasks-mothers-2026

