Is the darkness of the Test line (T) and/or Control line (C) relevant? Does a weaker line indicate lower sperm concentration?

Is the darkness of the Test line (T) and/or Control line (C) relevant? Does a weaker line indicate lower sperm concentration?

The relative strength/darkness of the test line (T) and the control line (C) is irrelevant and does not matter. To read the results, simply determine whether the control line (C) and the test line (T) are present.