Anti-D prophylaxis for rhesus D (RhD)-negative women having an abortion of a pregnancy up to 13+6 weeks' gestation: a systematic review and new NICE consensus guidelines.

(1) Offer anti-D prophylaxis to women who are Rhesus D negative who are having an abortion after 10+0 weeks' gestation. (2) Do not offer anti-D prophylaxis to women who are having a medical abortion up to and including 10+0 weeks' gestation. (3) Consider anti-D prophylaxis for women who are rhesus D negative and are having a surgical abortion up to and including 10+0 weeks' gestation.