Why do piles pick this time to make an unwelcome appearance? It all comes down to abdominal pressure, which can make your blood vessels stretch and swell. The most obvious cause: the weight of your ever-growing bump! Then there's all that pushing during labour.
Constipation plays a big part in it too. This can be the result of doing less exercise than normal, changes in your diet, and the weight of your bump pressing on your bowel. These things can all block you up, and straining when you go to the loo is a very common cause of piles.
In some cases, piles occur with such mild symptoms that you may not even know you have them.
There are some simple things you can do to ease the symptoms.