Genes linked with education and fertility depend on when and where you live

12 September 2017

Tropf, F.C.  et al. M.C. Mills. (2017). ‘Hidden heritability due to heterogeneity across seven populations,’ Nature Human Behaviour, 1: 757-765. To access this publication:

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Social acceptance more important than economic factors in fertility treatment availability

6 October 2017

Präg, P. & M.C. Mills. (2017). ‘Cultural determinants influence assisted reproduction usage in Europe more than economic and demographic factors’, Human Reproduction, 32(11): 2305-2314. [OPEN ACCESS] To access the data manual to replicate this article, click here. To access the dataset to replicate this article, click here.

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IVF babies do not have lower cognitive skills than naturally conceived children

25 May 2017

Barbuscia, A. & M. C. Mills. (2017). ‘Cognitive development in children up to age 11 years born after ART – a longitudinal cohort study,’ Human Reproduction. 32(7): 1482-88.

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12 DNA areas ‘linked with the age at which we have our first child and family size’

31 October 2016

Barban, N…….M.C. Mills (2016). Genome-wide analysis identifies 12 loci influencing human reproductive behavior, Nature Genetics, 48: 1462-1472, doi: 10.1038/ng.3698.

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This article was covered internationally with around 70 news articles and a variety of scientific blogs. Refer to the Nature Genetics Metrics summary for this article.


Various blogs were written, including a blog by 23andMe and Population Europe.

A selection of english-language international coverage:

DNA may play a role in when you choose to have kids, CBS News (USA), 1 November 2016.

Our genes influence when and how many children we have, International Business Times, 31 October 2016.

DNA May Influence Your Reproductive Decisions, Foreign Affairs, 2 November 2016.

When we have kids, and how many, may be partly genetic, Fox News (USA), 2 November 2016.

How Many Kids You’ll Have (and When) May Be Written in Your DNA, Yahoo! (USA), 31 October 2016.

DNA May Influence Your Reproductive Decisions, USNews (USA), 1 November 2016.

The genes that decide what age a woman gives birth: Variations ensure a woman remains fertile for longer, Daily Mail, 01 November 2016

The article was covered in various US newspapers, including: Arizona Daily Star, St. Louis Post, Billings Gazette, Wisconsin State Journal, Northwest Indiana Times, Winona Daily News, Lincoln Journal Star and

Believe it or not: Timing of your first child may be coded in DNA, India Times (India), 3 November 2016.

Timing of your first child may be coded in DNA, The New India Express (India), 2 November 2016.

Timing of your first child may be coded in DNA, New Kerala (India), 2 November 2016.

DNA influences the age at which people have their first child and the number of children, MedIndia (India), 1 November 2016.

DNA has the code of your reproductivity, The Asian Age, 3 November 2016.

DNA may influence when you have kids, and how many, study says, The Daily Telegraph (Australia) and the Herald Sun (Australia), 31 October 2016.

Selected other foreign language international coverage:

Gene beeinflussen Zeitpunkt des Kinderkriegens, (Germany), 02 November 2016.

L’età giusta per diventare genitori? E’ scritta nel Dna, OK (Italy), 02 November 2016.

Swedish Radio: Dina gener kan påverka hur många barn du får, Vetenskapsradion, SverigRadio, 1 November 2016.

Generna påverkar när vi får första barnen – och hur många det blir, (Sweden), 31 October 2016.

‘Hoeveel kinderen jij krijgt, wordt ook bepaald door je DNA’, RTL Nieuws (Netherlands), 01 November 2016.


Other media coverage

Human fertility, molecular genetics and natural selection

Tropf, F. C., Mills, M., Barban, N., Stulp, G., and H. Snieder (2015) Human fertility, molecular genetics and natural selection in modern societies, PLOS ONE, DOI: 10.1371/journal.pone.0126821

Women starting familPLOSONEies later despite genetic drive – study The Guardian, 04/06/2015, p.13, Ian Sample

Feminism overrides early-birth gene The Times, 04/06/2015, p.23, Oliver Moody

Mother’s genes play key role in decision to start a family The Independent, 04/06/2015, p.8, Steve Connor

Feeling broody? It’s could all be down to the genes i (The paper for today), 04/06/2015, p.11, Steve Connor

Additional coverage:





Fertility among the tallest people on earth

Stulp, G., L. Barrett, F. Tropf & M. Mills (2015). Does natural selection favour taller stature among the tallest people on earth?, Proceedings of the Royal Society B: Biological Sciences, 282 (1806). DOI: 10.1098/rspb.2015.0211.

Natural selection make Dutch tallest people on planet, Science

Natural selection may help account for Dutch height advantage, New York Times

Scientists try to answer why Dutch people are so tall, Guardian

Selection of additional coverage:!/rtl-nieuws-132237/860c41b2-525d-4a71-aa43-28d2ec6ed300