The same general rules for doping control apply to all athletes regardless of the sport (World Anti-Doping Code). There are some subtle differences for water polo. According to the FINA rules, the random draw for the water polo athletes occurs between the 3rd and 4th quarter. In all other aquatic sports, the random draw occurs prior to the event. There may be one or more players drawn per team. The testing process, sample analysis and results management are the same for water polo players as for other aquatic athletes. There are differences in repercussions or sanctions for teams for positive tests.(adverse analytical findings).
Read the full article 'Water Polo: Doctor on Deck'