1 Incubation time varies with species, clutch size, and temperature and humidity in the nest. 2  The incubation time for most species is 45 to 70 days.  Research indicates that the sex of an embryo is determined sometime after fertilization, as the embryo develops, and may be temperature dependent.
brown discharge usually does not indicate a period. It could very possibly be implantation bleeding, however, as your using a condom every time it is unlikely. But still possible. If your actual period doesn't come I suggest a HPT. I'm not saying your pregnant, but it is possible.
1 doctor agreed hormone cycle dark brown discharge is actually of menstrual blood and mucous your hormone levels vary from month to month and the causes of irregular bleeding can be hormonal or related to stress tension anxiety or illness oral contraceptives can be prescribed by your gyn to regulate your cycle read more