How does von willebrand affect delivery?

More bleeding. There is an increased risk of maternal prolonged bleeding or significant late bleeding following the delivery.
May increase bleed. Von willebrand's condition is a hereditary problem with blood clotting. People who have it may have increased bleeding with injuries or dental or medical procedures. Women who have it may have heavy or prolonged periods and may bleed extra after delivery. Blood tests can show how much trouble you may have clotting and a medication can be given to make your blood clot better if you need a c/s.