Pregnancy
Why does my hair feel thicker in pregnancy?
Somewhere around week 16 you caught your reflection and thought: my hair looks genuinely good. Now you're wondering if you're imagining it, and if not, whether it lasts.
Somewhere around week 16 you caught your reflection and thought: my hair looks genuinely good. Now you're wondering if you're imagining it, and if not, whether it lasts.
You're not imagining it, and the mechanism is worth understanding — because it also explains what comes next.
Is my hair actually growing more?
Not exactly. Each strand isn't thicker and your follicles aren't producing extra hair. What's changed is the maths of your hair cycle.
At any moment, most of your hairs are in a growing phase and a minority are resting, due to shed within a few months. Higher oestrogen levels during pregnancy extend the growing phase, so hairs that would normally have clocked off stay on. You shed noticeably less — many women go from losing around 80–100 hairs a day to far fewer — and over months, that retained hair adds up to visible density.
So the fullness is real. It's just borrowed from your usual shedding schedule rather than newly created.
Why does my hair feel different in texture, not just amount?
Two things stack. First, retained hairs of many ages sit alongside each other, changing how your hair moves and holds shape. Second, hormones alter sebum production — the scalp's natural oil — which changes how coated and weighted each strand is. Some women find their waves relax; others find curl springing up where there wasn't any. Both directions are common, and texture can shift again after birth.
Does this happen to everyone?
No. Plenty of women notice no change at all, and a smaller group find their hair oilier, limper or harder to manage while pregnant. Hormonal response varies person to person and even pregnancy to pregnancy. An unremarkable head of pregnancy hair predicts nothing about your postpartum experience either way.
Will it last after the baby comes?
This is the part worth knowing in advance: no. When oestrogen falls after birth, the hairs that overstayed move into the resting phase together and release together, typically starting two to four months postpartum. The fuller your pregnancy hair, the more noticeable that shed tends to feel — because there's more retained hair to let go.
That's not a warning to dread; it's context. The shed is the second half of a process you're in the first half of now. The full timeline post walks through it stage by stage.
Is there anything I should do while my hair is like this?
One concrete thing today: book your next haircut for before your due date, and tell your hairdresser you want a shape that will still work when you can't blow-dry for months and your hair is going through a shed. A cut that relies on volume you're about to give back, or on daily styling you won't have hands free for, is the thing women most often wish they'd sorted earlier.
Beyond that — enjoy it. This is the one stage in the whole 18-month arc where your hair asks nothing of you.
This article is general information, not medical advice. Postpartum hair shedding is common and usually temporary, but everyone’s situation is different. Please speak with your GP, midwife or maternal child health nurse about your own health — especially if you’re pregnant or breastfeeding.