Infertility, infertility treatment and twinning: the Danish National Birth Cohort | Zendy

Jin Zhu | Zendy; Olga Basso | Zendy; Carsten Obel | Zendy; Kaare Christensen | Zendy; Jørn Olsen | Zendy

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Infertility, infertility treatment and twinning: the Danish National Birth Cohort

Author(s) -

Jin Zhu,

Olga Basso,

Carsten Obel,

Kaare Christensen,

Jørn Olsen

Publication year - 2007

Publication title -

human reproduction

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.446

H-Index - 226

eISSN - 1460-2350

pISSN - 0268-1161

DOI - 10.1093/humrep/del495

Subject(s) - infertility , danish , obstetrics , gynecology , medicine , female infertility , cohort study , pregnancy , cohort , male infertility , biology , genetics , philosophy , linguistics

We have previously observed that an increasing time to pregnancy (TTP) is associated with a reduced frequency of twin deliveries in couples not receiving infertility treatment. By using updated information, we assessed the frequencies of dizygotic (DZ) and monozygotic (MZ) twin deliveries as a function of infertility (TTP > 12 months), as well as infertility treatment.

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