All predisposes to isoimmunisation in a Rh-ve female except.: (A) Advaned maternal age, (B) Antepartum haemorrhage, (C) Caesarian section, (D) Postdated pregnancy
Answer is A. Ans. is 'a' i.e. Advanced maternal age Following are the conditions predisposing to isoimmunization in Rh-ve femaleabortionchorionic villous samplingamniocentesisantepartum Haemorrhage attempted versioncaesarian section*manual removal of placenta Recent studies state that there is continuous feto-maternal bleed occurring throughout normal pregnancies. So it is not advisable to go beyond the expected date of pregnancy. Hence postdated pregnancy is another risk-factor for isoimmunization. *