Originally Posted by familyflier

For us, 20 minutes in the lavatory worked just fine. Try to time it during the middle of movies so you avoid the "rush to the loos." We also mentioned what we were doing to the local flight attendant so they were aware my wife would be camping out there for a bit. Some planes will have slightly larger lavs in the rear for disabled customers, so see if you can use one of these to give you room to spread out. If you're traveling alone, consider the battery operated pump to keep your hands free as you sure don't want to put the baby on the floor in there!