A low fever after ovulation is not necessarily pregnancy, it depends on the specific situation. First, if you have sex after ovulation is likely to be pregnant, of course, pregnancy does not necessarily low fever, so low fever after ovulation is not necessarily pregnant. Secondly, if you don’t have sex after ovulation, you’re not pregnant, and there are many reasons why you may have a low fever after ovulation. There are several common clinical causes of low fever after ovulation. First, low fever after ovulation is a normal physiological phenomenon, the hormone levels in the body after ovulation will have great changes, such as thyroid hormones, sex hormones, estrogen and other hormones will have a greater rise, which can also lead to low fever after the female ovulation. Second, the common reason is that after ovulation, women are susceptible to infection, and low fever caused by infection is also very common in the clinic.