(medicine) Around the time of viability; for example, periviable birth is the earliest type of preterm birth that does not inevitably end in miscarriage.
Abbreviation of posterior. [(medicine) Relating to or denoting presentation of a fetus in which the rear or caudal end is nearest the cervix and emerges first at birth.]
A method of preparing women for natural childbirth by means of special breathing, relaxation techniques and psychological conditioning, practiced without anaesthetics.
Alternative form of superfetate [To conceive after a prior conception, but before the birth of the offspring.]
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