[Spontaneous heterotopic pregnancy. Case report].

Background: Heterotopic pregnancy has increased in frequency due to the increasing number of assisted reproductive procedures. The diagnosis is difficult even with ultrasonography.

Objective: To report the case of a patient with heterotopic pregnancy without a history of in vitro fertilization or fertility treatment.

[Maternal morbidity in adolescent pregnancy].

Objective: To evaluate the maternal morbidity in < or = 16 year old pregnant teenagers.

Material And Methods: A prospective study of the reviewed cases was carried out from June 1998 to May 1999. All pregnant teenagers which attended the Coordination for the Attention of the Teenage Patient and whose pregnancy came to term during the study period were included.

[Perinatal outcome in patients with meconial amniotic fluid in labor].

Purpose: To evaluate the perinatal morbidity and mortality with the presence of meconial amniotic fluid.

Material And Methods: Retrospective study of case review, performed from 1st of June 1995 to May 1997. The patients included were at delivery, with a pregnancy of 32 weeks or older and had meconial amniotic fluid.

[Emergency cerclage].

Objective: To evaluate the maternal and fetal morbility as well as the odds and conditions of pregnancy when performing an emergency cerclage.

Material And Methods: We performed a transversal, prospective and descriptive study of all the patients to which an emergency cerclage was performed in the Instituto Nacional de Perinatología between January 1, 1995 and December 31, 1996 having all the inclusion criteria. At such time 261 cerclages were performed in our Institute upon unique pregnancies being only 22 considered as emergency cerclages.