A practical UK guide to keeping up expressing sessions at baby groups, soft play and on days out: what to pack, where to pump, and how to keep track.

The first few weeks of expressing milk mostly happen on the sofa. Then the baby group starts, a friend suggests soft play, and someone books a family day out, and suddenly the routine that worked at home has to survive a car park, a church hall and a café with one toilet.
This is a practical guide to the bit nobody covers in the antenatal class: keeping up expressing sessions when the day is not yours to control.
Decide what you are actually protecting
It helps to be clear about what matters and what does not. What matters is not skipping sessions. Lactation consultants are broadly agreed that supply responds to how often the breast is emptied far more than to how long each session lasts, so two short sessions squeezed into a busy day do more than one long one you never quite manage.
That reframing changes the packing list. You are not looking for somewhere to sit for half an hour. You are looking for ten minutes, twice, wherever they can be found.
The kit that fits in the changing bag
A wearable or hand pump earns its place here. The full mains pump with its bag of parts is for home; for a day out you want the version that works from a battery, fits in a coat pocket, and can be assembled one-handed while a toddler eats a rice cake off your knee.
Beyond the pump itself, three things make the difference:
A small cool bag with a frozen block. Not the big picnic one. A lunch-box-sized bag holds a full day’s milk and fits in the bottom of the buggy.
Spare parts in a zip bag. One set of valves and a spare bottle. Most day-out disasters are a dropped valve, not a broken pump.
Wipes and a muslin that live with the pump. Not the baby’s wipes, your own. It saves the rummage.
Baby groups and church halls
Baby groups are the easiest place to express and the one most people avoid. Half the room is feeding, nobody is looking, and the organisers have almost certainly seen it before. A wearable pump under a jumper is invisible. If you would rather not, most halls have a side room or a kitchen, and asking the person running the group is less awkward than sitting there watching the clock.
The mistake is planning to express “afterwards,” because afterwards is the car park, the baby is crying, and the session gets dropped.
Soft play
Soft play is loud, hot and full of other people’s children, which makes it a surprisingly good place to express. Nobody is paying attention to anyone. Sit near the ball pit with a coffee, a wearable pump and a cardigan, and the session is done before the toddler has found the slide.
If you are using a hand pump, the parent-and-baby room is usually free during the mid-morning rush because everyone is in the play area. Check where it is when you arrive rather than when you need it.
Days out and long car journeys
This is where a schedule stops being a clock and becomes a map. Before leaving, write down roughly when you would expect to express, then look at the plan for the day and find the two or three fixed points that will actually be still: the drive there, the picnic, the drive home.
The car is the best expressing spot on any day out. It is private, it has a seat, and it comes with a captive audience who cannot go anywhere. A twenty-minute stop in a services car park does the job on the way there and the way back. If you are the one driving, hand over the keys for that stretch.
Milk keeps for a good few hours at room temperature and much longer chilled, so a cool bag refreshed with a bag of ice from any café keeps the day’s milk safe until you are home. Ask for the ice before you need it.
Keeping track without keeping a spreadsheet
The thing that unravels on a busy day is not the pumping, it is remembering when you last did it. A running note on your phone, just the time, is enough. Some parents use an app; some use a site like PumpingSchedule, which has free schedule templates for different stages and a plain explanation of why frequency matters more than session length, which is the fact worth holding onto when a day goes sideways.
The honest bit
Some days a session will be missed. One missed session is not a supply crisis; a pattern of missed sessions over a fortnight is. If a busy week has knocked things off course, the quickest fix is to add a session back for a few days, not to make the remaining ones longer.
And if the choice is between a slightly late session in a soft play café and no session because the café felt too public, the café wins every time. Nobody is looking. They are all watching the ball pit.