A catheter including a shaft comprising a body with a proximal portion and a distal portion, the body defining an opening from the proximal portion to the distal portion, the distal portion having an end that is beveled in a first direction across an end opening, such that a length of the shaft to a first point on the end is a first length and a length of the shaft to a second point on the end is a second length longer than the first length. A method including placing at least one embryo near an open end of a catheter, inserting the open end of the catheter into an endometrial lining of a subjects uterus, using the catheter to open a flap of the endometrial lining, and transferring the at least one embryo from the catheter to the pocket site.
