rhesus negative 
(abbreviation Rh-negative)
adjective Medicine
Lacking the rhesus factor.If a baby is rhesus positive but the mother is rhesus negative, then the mother could become sensitive to the baby's blood....
- Blood group women who have a rhesus negative blood group may need to have an injection to prevent problems for subsequent pregnancies.
- But if the mother is rhesus negative and the father is rhesus positive, it could lead to problems if the baby is also rhesus positive.
- microsatellite
- microsaur
- microsaurian
- micro-scale
- microsclere
- microscooter
- microscope
- microscopic
- microscopical
- microscopically
- microscoping
- microscopist
- Microscopium
- microscopy
- microscreen
- microsecond
- microsegment
- microseism
- microseismic
- microseismically
- microseismicity
- microseismogram
- microseismology
- microseismometer
- microseptum