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.
If your period does not come maybe you should see a doctor because brown discharge is not normal, but it is during your period. No you do not have to wear a liner all your life the white discharge is not alot and it wont effect your underwear. You wont even notice it. Pink Rain Â· 8 years ago. Thumbs up. 0. Thumbs down.