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Dizygotic twin pregnancy after transfer of one embryo.

Summary of "Dizygotic twin pregnancy after transfer of one embryo."


OBJECTIVE:
To consider the risk of intercourse without contraception during infertility treatment.
DESIGN:
Case report.
SETTING:
Leiden University Medical Center. PATIENT(S): An infertile couple underwent IVF for tubal pathology. INTERVENTION(S): Transfer of one embryo during a natural cycle. MAIN OUTCOME MEASURE(S): Human leukocyte antigen typing, histochemical analysis of the fetal membranes, neonatal and maternal clinical outcomes. RESULT(S): A dizygotic twin pregnancy was confirmed after birth by human leukocyte antigen typing of both fetuses and mother and by histochemical analysis of the dividing fetal membranes. This suggests a pregnancy of concurrent IVF and spontaneous conception. Pregnancy was complicated by preeclampsia and intrauterine growth retardation of both fetuses. CONCLUSION(S): We state that couples should abstain from intercourse without contraception during infertility treatment to prevent multiple gestation and its related complications for mother and fetuses.

Affiliation

Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands.

Journal Details

This article was published in the following journal.

Name: Fertility and sterility
ISSN: 1556-5653
Pages:

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Medical and Biotech [MESH] Definitions

A condition occurring in the female offspring of dizygotic twins (TWIN, DIZYGOTIC) in a mixed-sex pregnancy, usually in CATTLE. Freemartinism can occur in other mammals. When placental fusion between the male and the female FETUSES permits the exchange of fetal cells and fetal hormones, TESTICULAR HORMONES from the male fetus can androgenize the female fetus producing a sterile XX/XY chimeric "female"(CHIMERISM).

The techniques used to select and/or place only one embryo from FERTILIZATION IN VITRO into the uterine cavity to establish a singleton pregnancy.

Passage of blood from one fetus to another via an arteriovenous communication or other shunt, in a monozygotic twin pregnancy. It results in anemia in one twin and polycythemia in the other. (Lee et al., Wintrobe's Clinical Hematology, 9th ed, p737-8)

Methods of detecting genetic etiology in human traits. The basic premise of twin studies is that monozygotic twins, being formed by the division of a single fertilized ovum, carry identical genes, while dizygotic twins, being formed by the fertilization of two ova by two different spermatozoa, are genetically no more similar than two siblings born after separate pregnancies. (Last, J.M., A Dictionary of Epidemiology, 2d ed)

Results of conception and ensuing pregnancy, including LIVE BIRTH; STILLBIRTH; SPONTANEOUS ABORTION; INDUCED ABORTION. The outcome may follow natural or artificial insemination or any of the various ASSISTED REPRODUCTIVE TECHNIQUES, such as EMBRYO TRANSFER or FERTILIZATION IN VITRO.

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