| twin pregnancy | A pregnancy that may result from the fertilization of two separate ova or of a single ovum. See: twin. Synonym: bigeminal pregnancy. (05 Mar 2000) |
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| extraamniotic pregnancy | A pregnancy in which the chorion is intact, but the amnion has ruptured and shrunk. Synonym: graviditas examnialis. (05 Mar 2000) |
| extrachorial pregnancy | Pregnancy in which the membranes rupture and shrink, causing the foetus to develop outside the chorionic sac but within the uterus. Synonym: graviditas exochorialis. (05 Mar 2000) |
| extramembranous pregnancy | A pregnancy in which during the course of gestation the foetus has broken through its envelopes, coming directly in contact with the uterine walls. (05 Mar 2000) |
| extrauterine pregnancy | A gestation elsewhere than in the uterus. Often occurring in the fallopian tube. Presents with abdominal pain, fainting, and/or vaginal bleeding. (27 Sep 1997) |
| fallopian pregnancy | <obstetrics> An ectopic pregnancy that involves the development of the embryo within the fallopian tube. This can result in a surgical emergency when the developing embryo reaches a critical size. (27 Sep 1997) |
| false pregnancy | <obstetrics, psychiatry> A condition in which some signs and symptoms suggest pregnancy, although the woman is not pregnant. Synonym: hysterical pregnancy, pseudocyesis, pseudopregnancy, spurious pregnancy. (05 Mar 2000) |
| uterine pregnancy | Development of foetus within the uterus. (05 Mar 2000) |
| uteroabdominal pregnancy | Development of the ovum primarily in the uterus and later, in consequence of the rupture of the uterus, in the abdominal cavity. (05 Mar 2000) |