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.
What brown discharge means if youâre not pregnant. Ovulation bleeding is a discharge of blood from vessels, affected during the emergence of the ovum from the follicle. It is observed in the middle of the cycle and can be accompanied by dragging abdominal pain, associated with the process of ovulation.