Eddie: I'm interested in going from 50 to 100mg clomid bbt The third-generation Mazda3 comes to showrooms in September, again as four-door sedan and as a five-door hatchback that accounts for about three out of 10 Mazda3s sold. Prices haven't been disclosed, but executives said at the briefing that the entry-level Mazda3 will start at less than $17,000.