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.
It is normal and even healthy to produce a white, clear discharge from your vagina. The neck of the womb or cervix produces mucus. The color of this discharge may change throughout your menstrual cycle, but it is usually brown by the end of your period. Healthy discharge will be white without any bad smell. Many women end up witnessing brown smelly discharge and they wonder if that's normal or not.