Crossing in front of the daimyo-gyoretsu and thereby disrupting the procession was regarded as rude behavior; in fact, those who did so could be killed on the spot (as was the case in a prime example of which was the case in the Namamugi Incident) in accordance with kirisute gomen (the privilege granted to samurai warriors), but as a special exception, midwives heading to assist childbirth were allowed to cross in front of the procession.
大名行列の前を横切ったり、列を乱す様な行為は無礼な行いとされ、生麦事件の例を挙げるまでもなくその場で『切捨御免』にする事も許されていたが、特例として出産の取上げに向かっている産婆（現在の助産師）は、行列の前を横切る事を許されていた。