Home » Calculators » Child gender by RH factor of parentsChild gender by RH factor of parents Rh factor of the father PositiveNegative Rh factor of the mother PositiveNegative Please, Enter all values correctly. PrevPreviousChild gender by parent blood type NextDate of conceptionNext How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.