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.
â¢ Brown period discharge dark discharge usually occurs at the beginning and end of a menstrual period especially during the cleaning out of the uterus. â¢ Blood spotting or brownish discharge occurs at mid cycle which may indicate an early sign of pregnancy or a sign that menstrual period is about to come.t the start of the menstrual cycle, the production of mucous is at its peak. These discharges are usually colorless. At the end of the menstrual period some women may experience dark or black period blood. These condition does not usually indicate critical condition and it can happen to just anyone.