Incidence of spontaneous abortion among pregnancies produced by assisted reproductive technology.

Pregnancy Complications and Neonatal Outcomes in Multiple Pregnancies: A Comparison between Assisted Reproductive Techniques and Spontaneous Conception

Heterotopic Pregnancy after Assisted Reproductive Techniques

Heterotopic pregnancy (HP) is the simultaneous occurrence of intra- and extrauterine pregnancies. It is a rare event in spontaneous pregnancies with an incidence of less than 1:15000 however the frequency has increased to 1% in accordance with the widespread use of assisted reproductive techniques (ART). The pre-operative diagnosis of this condition is generally difficult and it would be life t...

Influence of paternal exposure to oil and oil products on time to pregnancy and spontaneous abortions.

The objective of this study was to evaluate the influence of exposure to oil and oil products among men on the time taken for their wives to conceive and on the incidence of spontaneous abortion among them. A cross-sectional study was performed by posting questionnaires to 1,269 men employed as offshore mechanics, offshore operators, offshore drilling personnel, car mechanics (the 'exposed' occ...

Heterotopic interstitial pregnancy: A case report

Introduction Before the advent of assisted reproductive technologies, the incidence of heterotopic pregnancy was estimated to be in 1 out of 30,000 pregnancies in the United States. With interstitial pregnancy comprising only 2.4% of ectopic pregnancies, spontaneous heterotopic interstitial pregnancies are exceedingly rare. Case A 27-year-old pregnant woman (gravida 3 para 1011) with a histor...

Influence of past reproductive performance on risk of spontaneous abortion.

OBJECTIVE To investigate the incidence of spontaneous abortion in a population of women in order to establish their risk of spontaneous abortion and the obstetric factors predisposing to it. DESIGN Prospective study of women recruited by radio and poster appeal and from hospital outpatient clinics. SETTING English provincial community. PATIENTS 630 Women from the general population intend...