Common side effects of Depo-Medrol include: 1  nausea, 2  vomiting, 3  heartburn, headache, 4  dizziness, trouble sleeping,  appetite 1  changes, increased sweating, 2  acne, or. injection site reactions (pain, redness, swelling).
Other factors (e.g. stress) can result in ovulation being delayed, until as late as the third or fourth week. However, the way our care providers calculate pregnancy due dates is by assuming ovulation on day 14 of a 28 day cycle. You can already see a major reason why due dates aren't so accurate!
simran47. It is difficult to get pregnant right before your period, since ovulation takes place around 2 weeks before the next period. This is true among women who have regular menstrual cycles and ovulation can be predicted to occur around mid-cycle. However, some women have irregular cycles. If your ovulation takes place later than expected (mid-cycle), say on the 24th day of the cycle instead of around 14th day, and fertilization and implantation take place, then pregnancy can occur right before your expected period.