Releasable fluid controller and insemination device

A kit for aiding conception, the kit comprising:

• a fluid introduction device;
• and
• a fluid controller configured for removable attachment to the fluid introduction device, wherein the fluid controller comprises:
• a body configured to extend at least partially over the fluid introduction device;
• an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller;
• a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal, wherein the fluid retention structure is configured such that attachment of the fluid controller to the fluid introduction device causes a reduction in at least one dimension associated with the fluid retention structure;
• and
• at least one connector configured to releasably attach the fluid controller to the fluid introduction device.