Recommended citation format: Schnitkey, G.  Cost Cutting for 2016: Budgeting for $4 Corn and $9.25 Soybeans . farmdoc daily (5):141, Department of Agricultural and Consumer Economics, University of Illinois at Urbana-Champaign, August 4, 2015.
Generally: The temperature rise occurs after ovulation, usually about 2 weeks before the period starts. 4. About a week or so before my period starts, during my period and sometimes a few days after ,I run a temperature that ranges 99 - 100.
Body Temperature During Pregnancy. If you notice a rise in your BBT two weeks after ovulation, chances are high that you have conceived. This is one of the first signs of pregnancy even before the missed period sign.Although pregnancy affects the BBT, this is only experienced during the first trimester.f you notice a rise in your BBT two weeks after ovulation, chances are high that you have conceived. This is one of the first signs of pregnancy even before the missed period sign. Although pregnancy affects the BBT, this is only experienced during the first trimester.