The first trimester was survival. The second is when this actually becomes doable. For a lot of people, roughly weeks 13 to 27 are the stretch where the nausea lifts, some energy comes back, and the bump hasn't yet started dictating how you sit. That's why second trimester Kegel exercises deserve a plan rather than an intention: this is the window where a pelvic floor habit can genuinely stick, and it's also when the reason for having one starts to make itself felt. The load on your pelvic floor climbs from here, and if a cough has already caught you out, you're in very ordinary company. If you're only starting now, the first trimester guide covers finding the muscle from scratch.
Second trimester Kegel exercises: why this is the sweet spot
Three things line up in this trimester. Your energy is usually better than it was. The load on your pelvic floor is rising but hasn't peaked. And the payoff is still ahead of you, which is exactly when training is worth doing.
That last point is the one worth sitting with. Leaking becomes steadily more common as pregnancy goes on, and the research on pelvic floor training in pregnancy points the same way: the clearest benefit shows up in people who train before leaks become established. If nothing has started yet, a small daily habit has the most to work with right now. If something has started, training is still worth doing, but be realistic about it, and read the leaks section below.
There's a practical argument too. Whatever you build now, you'll be leaning on after the birth, when a spare minute and a functioning brain are much harder to come by. Learning the move while you still have the calm is the whole idea.
Positions that work now (and when to switch)
In the first trimester any position works. From here on, they start behaving differently, and swapping position is usually the fix when a Kegel stops feeling like anything.
The cue for switching isn't a date in the calendar, it's a feeling. When a position stops letting you feel the lift, or it's simply uncomfortable, change it. Dizziness or breathlessness is a different signal: the standard advice on exercise in pregnancy is to stop and check in with your midwife or doctor, not to work around it. Most people drift from standing towards sitting and side-lying as the months go on, and there's nothing wrong with that. Working in more than one position is standard advice anyway, so treat the drift as part of the plan.
If you've started leaking
First, the reassurance, because this is the bit people are embarrassed to ask about. In pooled studies, roughly four in ten women reported some leaking at some point in pregnancy, and the stress kind (cough, sneeze, laugh, lift) was by far the most common. It's pressure briefly winning, not a failure of yours, and it becomes more common as the weeks add up.
Two things to do about it. The first is the daily practice below. The second is a trick called the Knack: tighten and lift your pelvic floor just before and during the cough, the sneeze, or the lift, bracing a beat ahead of the pressure. Practicing that timing is standard pregnancy advice, and it works alongside your daily reps rather than instead of them.
Now the honest part. The research on training as a treatment for leaks that have already started in pregnancy is much weaker than the research on preventing them in the first place. It's still the sensible first thing to try, and it's what you'd be pointed to first anyway, but we won't tell you it clears up for everyone. If it's heavy, or it's bothering you, mention it at your next appointment. The mechanics of all this are covered properly in Kegels for leaks when you sneeze, laugh, or run.
How much, how often
Numbers first, caveat second. One common recommendation is around three sets of eight squeezes every day, mixing slow holds with quick ones. Another widely used version works up to 10 to 15 repetitions, three times a day, practiced in more than one position. Both land in the same place: a small amount, most days, spread through the day rather than done in one heroic block.
If you're starting from nothing, start under those numbers. Three good reps you actually do beat eight rushed ones you don't, and the count is the easiest thing to add later. A pelvic floor professional can tailor the numbers to you, which is worth doing if anything about your pregnancy needs watching.
On timing, expect weeks rather than days. Bladder control often doesn't feel different for the first three to six weeks, and strength keeps building well past that. Pregnancy adds a wrinkle: the load on your pelvic floor is increasing at the same time you're training it, so "no change" isn't the same as "nothing happening". Worth remembering before you decide it isn't working.
Don't chase a stronger squeeze
There's a version of this that goes wrong, and it's the enthusiastic version. More is not better here. A pelvic floor held in a permanent half-clench is a tense one, not a strong one, and tightness brings its own set of problems: pain, urgency, trouble relaxing, discomfort during sex. The full letting-go at the end of every rep is the part to protect.
Signs you've overcooked it: aching afterwards, a floor that never quite softens, pain when you contract. If that's the pattern, stop and get assessed rather than pushing harder. Reverse Kegels covers the release side in detail. And if you're gripping your glutes, bracing your jaw, or holding your breath to get a bigger squeeze, you're working hard in the wrong place.
Carrying it into the third trimester
The last stretch is heavier in every sense. The load keeps climbing, standing gets harder, the positions narrow, and the goal quietly changes from building to not losing the thread. Keep it small enough that you'll still do it at 36 weeks. There's a wider view of what's coming on pelvic floor exercises during pregnancy, including the release work that matters for birth.
And the real reason to keep it going: the version of you at your postnatal check, being told to start pelvic floor exercises again, will be extremely glad this is already automatic.