Hi Sharon
Normally u will BD when the temp is lowest.. coz once it goes up by 0.2... means u already O liao... the 3 days is juz to confirm that that's really yr O day... so BBT is usually use as a guide to tell u when u O... and u can roughly predict for the next mth... coz in the same cycle.. by the time, u confirmed that u hv O, it will be too late to BD liao...
Normally u will BD when the temp is lowest.. coz once it goes up by 0.2... means u already O liao... the 3 days is juz to confirm that that's really yr O day... so BBT is usually use as a guide to tell u when u O... and u can roughly predict for the next mth... coz in the same cycle.. by the time, u confirmed that u hv O, it will be too late to BD liao...
![396201.gif](http://www.singaporemotherhood.com/forumboard/messages/36738/396201.gif)