[Heterotopic pregnancy and its occurrence in assisted reproduction].
OBJECTIVE
To assess the incidence of heterotopic pregnancy after infertility treatment using the technology of assisted reproduction.


METHODS
A prospective study of 618 women who became clinically pregnant following assisted reproduction technology (ART) procedures.


METHODS
Sanatorium Pronatal, Na dlouhé mezi 4/12, 147 00 Praha 4-Hodkovicky.


METHODS
Study group consists of clinical pregnancies conceived after ART procedures within the period from January 1, 1997 until June 30, 1998. A condition to be included in survey group was that there was a gestation sac detected by ultrasound or histological confirmation of ectopic pregnancy.


RESULTS
Six-hundred-eighteen clinical pregnancies resulted and 23 of the pregnancies were ectopic gestations (3.7%). Seven out of the 23 (30.5%) ectopic pregnancies were heterotopic. Thus heterotopic pregnancy rate after ART was, 1.14% (1 in 88).


CONCLUSIONS
The incidence of heterotopic pregnancy following assisted reproduction technique is relatively frequent. This condition represents a live-threatening complications of pregnancy. The prognosis for intrauterine gestation in case of heterotopic pregnancy is usually good. About 78% delivered living child at term.
Hulvert
J
J
Sanatorium Pronatal, Praha.
Mardesic
T
T
Voboril
J
J
Müller
P
P
D005260:Female; D005307:Fertilization in Vitro / Q000009:adverse effects*; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000000981:diagnostic imaging / Q000209:etiology*; D016216:Ultrasonography, Prenatal