dude... I used a double breast pump and pumped for a whole movie to get things going, as soon as I stopped so did they ( the contractions), my husband did nipple stimulation with his mouth for minutes at a time and thats what finally got our babe in my arms last time ( I was 20 days late and facing a c section if I was admitted to the hospital cause I pist the doc off

: ) that and black and blue cohosh!
Im nursing now still and get some contractions when he nursing for long periods of times, like half an hour to an hour