YES IT STIMULATES YOUR OVULATION
After taking clomid on days 5-9, intercourse should be done on days 12-16. Either you could have intercourse every day, or on days 12, 14, and 16. Good Luck!
You might want to purchase a pregnancy test;)
No more than one year as it increases ovarian cancer. Most doctors don't let you go on it for more than 6 months though.