Evidence map›Paper›PMID 30886089›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2019

Evidence that prenatal testosterone transfer from male twins reduces the fertility and socioeconomic success of their female co-twins.

Aline Bütikofer, David N Figlio, Krzysztof Karbownik, Christopher W Kuzawa, Kjell G Salvanes

Open access · bronzeAbstract readTwin Study
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.6field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
  2. Testosterone mediates life-history trade-offs in female mammals.Biological reviews of the Cambridge Philosophical Society · 2025
    Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. The evolutionary biology of endometriosis.Evolution, medicine, and public health · 2021
    Review
  11. Article
  12. Article
  13. Oocyte retrieval outcomes among adolescent transgender males.Journal of assisted reproduction and genetics · 2020
    Article
  14. Article
  15. Article
  16. Review
  17. Dementia risk in women higher in same-sex than opposite-sex twins.Alzheimer's & dementia (Amsterdam, Netherlands) · 2020
    Article
  18. The Project Talent Twin and Sibling Study: Zygosity and New Data Collection.Twin research and human genetics : the official journal of the International Society for Twin Studies · 2019
    Article
  19. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 2 countries.

Aline BütikoferDepartment of Economics, Norwegian School of Economics, 5045 Bergen, Norway.
David N FiglioSchool of Education and Social Policy, Northwestern University, Evanston, IL 60208.
Krzysztof KarbownikDepartment of Economics, Emory University, Atlanta, GA 30322; krzysztof.karbownik@emory.edu kuzawa@northwestern.edu.
Christopher W KuzawaInstitute for Policy Research, Northwestern University, Evanston, IL 60208; krzysztof.karbownik@emory.edu kuzawa@northwestern.edu.
Kjell G SalvanesDepartment of Economics, Norwegian School of Economics, 5045 Bergen, Norway.
Northwestern University · USNorwegian School of Economics · NOEmory University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

During sensitive periods in utero, gonadal steroids help organize biological sex differences in humans and other mammals. In litter-bearing species, chromosomal females passively exposed to prenatal testosterone from male littermates exhibit altered physical and behavioral traits as adults. The consequences of such effects are less well understood in humans, but recent near-doubling of twinning rates in many countries since 1980, secondary to advanced maternal age and increased reliance on in vitro fertilization, means that an increasing subset of females in many populations may be exposed to prenatal testosterone from their male co-twin. Here we use data on all births in Norway (

Indexed as

FertilityMaternal AgePregnancy, TubalPrenatal Exposure Delayed EffectsRegistriesSex CharacteristicsTwins, DizygoticTwins, MonozygoticAdultFemaleFollow-Up StudiesHumansMaleMiddle AgedNorwayPregnancyTestosteroneearningseducationfertilityfetal developmentsteroids

Identifiers

PMID30886089
PMCPMC6452670
OpenAlexW2922591672

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.