The color of the line is insignificant. Pregnancy tests can only tell you if you are pregnant. The darkness of the line is no indication of how pregnant you are or how far along you are. You can use the brand tests, even from the same box and get a lighter or darker line any time.
The phantom calls that you have recieved, also known as ghost calls is usually caused by either a poor quality phone line, aka has a high amount of noise or foreign battery due to the line or your on an older copper line.
Researchers ruled out cellphone radiation as the cause of the brain effects. Dr. Abramson notes that radiation transmitted in texting is just 0.03 per cent of that emitted during a phone call. Although texting was slow to take off in North America, recently it has overtaken the number of calls made on cellphones.