| BEAR | biological effects of atomic radiation |
|---|---|
| BEI | back-scattered electron imaging; biological exposure indexes; butanol-extractable iodine |
| BEIR | biological effects of ionizing radiation |
| BFB | biological feedback; bronchial foreign body |
| BHL | bilateral hilar lymphadenopathy; biological half-life |
| ectopic pregnancy, symptoms of | Symptoms of an ectopic pregnancy can often be vague and include vaginal bleeding, abdominal or pelvic pain (usually stronger on one side),shoulder pain, weakness, or dizziness. Weakness, dizziness, and a sense of passing out upon standing can represent serious internal bleeding, requiring immediate medical attention. (12 Dec 1998) |
|---|---|
| toxaemia of pregnancy | <obstetrics> A condition seen in the third trimester of pregnancy that is characterised by hypertension, swelling and the presence of protein in the urine. Synonym: preeclampsia. (12 Jan 1998) |
| toxaemic retinopathy of pregnancy | Sudden angiospasm of retinal arterioles, later followed by retinal vascular signs of advanced hypertensive retinopathy; vascular changes disappear rapidly after termination of the pregnancy. Synonym: eclamptic retinopathy, gravidic retinopathy. (05 Mar 2000) |
| tubal 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) |
| tuboabdominal pregnancy | Development of an ectopic pregnancy partly in the fallopian tube and partly in the abdominal cavity. (05 Mar 2000) |
| tubo-ovarian pregnancy | Development of the ovum at the fimbriated extremity of the fallopian and involving the ovary. (05 Mar 2000) |
| tubouterine pregnancy | Development of the fertilised ovum in the uterine portion of the fallopian tube. Synonym: interstitial pregnancy, tubouterine pregnancy. (05 Mar 2000) |
| 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) |
| 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) |