What is your normal cycle length?? Around the time of ovulation there should be slippery mucous. TMI but when you wipe you will usually find some - even a very small amount. Mucous changes to a drier consistency (can be thicker and creamier) after ovulation but you can also get increased creamy mucous with pregnancy. Information on the Billings method (a technique for contraception but the reverse works as well to see when you are most fertile) will help you try to sort out the mucous signs. Some women never have much obvious mucous and still fall pregnant so the volume is not necessarily an indicator but it does help you to figure out when to DTD