October 2015 PMID 27623703

Microchimerism of male origin in a cohort of Danish girls.

Amanda Cecilie Müller, Marianne Antonius Jakobsen, Torben Barington, Allan Arthur Vaag, Louise Groth Grunnet, Sjurdur Frodi Olsen, Mads Kamper-Jørgensen

Mentions

29
Peak: 3 in Jun 2019
across 4 sources since Jun 2019

Extended reach

129,495
potential audience

Total likes

1,572

Video views

38,655

Mentions per month

Jun 2019 – Sep 2025

Where it's discussed

  • X / Twitter23 posts
  • YouTube2 videos
  • Facebook2 posts
  • News2 articles

AI synopsis

What people are saying

The overall conversations demonstrate strong interest and moderate engagement, with users referencing specific studies and raising questions about the biological mechanisms, such as the potential role of sexual activity, blood transfusions, and pregnancy, using tone and wording that reflect curiosity and cautious skepticism.

AgreementModerate agreement

Most discussions recognize the validity of the research, with some questions about possible sources of male cells in girls.

InterestHigh interest

Participants display high curiosity, evident in comments exploring mechanisms, implications, and the significance of the findings.

EngagementModerate engagement

Comments reflect moderate engagement, with users referencing related studies, raising questions about biological processes, and debating interpretations.

ImpactModerate impact

The discourse suggests the research could influence future studies and understanding of microchimerism, but it’s still early to gauge widespread impact.

Abstract in brief

  • Male microchimerism refers to the presence of male cells in women, commonly linked to previous pregnancies, but it can also occur in women without male children.
  • A study of 154 nulliparous Danish girls aged 10-15 found that 13.6% tested positive for male microchimerism, with potential sources including maternal blood transfusions and previous births of sons.
  • The research suggests that male microchimerism could result from older brothers, pregnancies that ended in spontaneous abortion, or transfusions, and hints that sexual intercourse might also play a role, although other sources likely exist.

Top posts

Most liked on X and Bluesky
María Elena Álvarez-Buylla Roces
@ElenaBuylla · X

REFERENCIAS -Shrivastava S, et al., Microchimerism: A new concept. -Müller AC, et al., Microchimerism of male origin in a cohort of Danish girls. -Diana W, et al., Forever Connected: The Lifelong Biological Consequences of Fetomaternal and Maternofetal Microchimerism. ✅12/12

Oct 15, 2023 · 5 likes · 1 share · 49,739 followers View post →
CD TundraVision
@TundraVision · X

@JaysonJacobson5 @mir_and_a How about this? https://t.co/4nmlufGMg4

Jul 25, 2021 · 5 likes · 3,568 followers View post →
草
@n0rr · X

@AkrSakr 10-15歳の女の子調べた論文だと "Furthermore, the oldest girls were more likely to test positive for male microchimerism. " というものが https://t.co/Yz54MDfoVe

Jun 27, 2019 · 1 like · 1 share · 10,963 followers View post →
あきらこさくらい
@AkrSakr · X

RT @n0rr: @AkrSakr 10-15歳の女の子調べた論文だと "Furthermore, the oldest girls were more likely to test positive for male microchimerism. " というものが…

Jun 27, 2019 · 1 share · 6,233 followers View post →
Jose Alvarez
@sa12882472 · X

RT @ElenaBuylla: REFERENCIAS -Shrivastava S, et al., Microchimerism: A new concept. -Müller AC, et al., Microchimerism of male origin in a…

Oct 15, 2023 · 1 share · 4,417 followers View post →
ClaritySage1111
@ClaritySage111 · X

https://t.co/gAVsTxZXsb

May 5, 2022 · 3,707 followers View post →

All mentions

Shiro
@ShiroLawan · X

@grok @The_Slim_Macho @AtheistMonk11 @ywomendeservles Check this: Microchimerism of male origin in a cohort of Danish girls. Article (Mueller2015) PMC5293315 https://t.co/co2xdBrZjM

Sep 20, 2025 · 299 followers View post →
David Meza Hernandez
@DavidRG350 · X

@redheadaeo @EsTendenciaEnX https://t.co/mP4fRoz3v8

Aug 13, 2025 · 55 followers View post →
Minjae
@Calenyita · X

@ywomendeservles A Danish study found 13.6% of nulliparous girls aged 10–15 tested positive for male microchimerism—suggesting other sources of male cells in females, including sexual intercourse. https://t.co/15H3jtbfem https://t.co/90OFZq4CIe

Oct 29, 2024 · 465 followers View post →
Elliot Burridge
@el84979 · X

@SbonisoDla53897 @joon_wp88 @ywomendeservles Yeah that's a fair question. I'm reading a little about it to see if the mechanism has been discussed yet. Found it funny that in this study the researchers think young girls would be completely honest about whether they'd had sex and/or used a condom

Oct 27, 2024 · 164 followers View post →
Serife
@seritur · X

@dogekamil @karadenizf @drkaanyl @MHolistichealer Bir de su calismaya bakalim. Sayi kucuk ama hic intercourse yasamamis kiz cocuklarindan da bahsediyor. https://t.co/HjGByQdGRs

Jun 5, 2024 · 778 followers View post →
Minjae
@Calenyita · X

@ywomendeservles The Community Note is a Snopes-type denial. https://t.co/HBUkfBBn4f We would have to believe less likely events in the lives of 10–15 y.o. Danish girls are the source of the male DNA, most of which still involve sexual intercourse https://t.co/1QrxmpaGvc

Apr 5, 2024 · 465 followers View post →
Senshai
@Senshaii · X

de la grossesse. Elles suggèrent de continuer les recherches concernant le simple rapport sexuel. https://t.co/JpAzNy6XtC https://t.co/UZ0eYlOGtb https://t.co/NCoO6eIvPj https://t.co/vRWukxQOJ5

Feb 8, 2024 · 120 followers View post →
Hassan ۞
@moorishZnassen · X

@adopatriote @la__lanterne C'est un terrier de lapin mais ça peut être un point de départ : https://t.co/isGePCCVWH

Oct 19, 2023 · 581 followers View post →
Jose Alvarez
@sa12882472 · X

RT @ElenaBuylla: REFERENCIAS -Shrivastava S, et al., Microchimerism: A new concept. -Müller AC, et al., Microchimerism of male origin in a…

Oct 15, 2023 · 1 share · 4,417 followers View post →
María Elena Álvarez-Buylla Roces
@ElenaBuylla · X

REFERENCIAS -Shrivastava S, et al., Microchimerism: A new concept. -Müller AC, et al., Microchimerism of male origin in a cohort of Danish girls. -Diana W, et al., Forever Connected: The Lifelong Biological Consequences of Fetomaternal and Maternofetal Microchimerism. ✅12/12

Oct 15, 2023 · 5 likes · 1 share · 49,739 followers View post →
Hupseflups
@AliceZonder · X

@deSunShineBand https://t.co/d9g348qARO Bloedtransfusie wordt ook aangestipt

Jun 5, 2023 · 12 followers View post →
O- Age
@elon_age · X

@PedradePedra @Biel_2022 @Escanor_01sun @sideologica https://t.co/OFgzfOltoS

Mar 26, 2023 · 2,462 followers View post →
A Time-Traveler Named RJ
@AManNamedAArJay · X

@TheVXTian @WomenPostingLs I know thats what I'm doing. Wanna know something about Mad scientists like myself? We read a LOT of research papers. Successful time travel relies on the healthy conditioning of the human body. [1]https://t.co/tdNOutt3hC [2]https://t.co/YlySDXi44O [3]https://t.co/uZOcpLUlZ5

Jan 1, 2023 · 132 followers View post →
jt120651
@jt120651 · X

Microchimerism of male origin in a cohort of Danish girls. https://t.co/BdV93CmQrx

Oct 15, 2022 · 1,993 followers View post →
New_OKɴᴀᴏᴍɪ (heiress ᵒᶠ ᴏᴋᵘˡᵗʳᵃ ᵖʳᵒʲᵉᶜᵗ)
@0knaomi · X

@ohfortheloveofg @LordGrimevil @SilentMelody35 Well, it's something you believe is "watershed" for sex and that is extremely peculiar to me. I hope you at least don't consider XY-chimeric morphologically typical nulliparous Danish women "hermaphrodites" https://t.co/tWwLVP062T

Jun 18, 2022 · 1,024 followers View post →
ClaritySage1111
@ClaritySage111 · X

https://t.co/gAVsTxZXsb

May 5, 2022 · 3,707 followers View post →
juliocesar
@JulioDeLaMancha · X

@SempreVitorioso @MarcelSouzaLima Em tempo, existe sim o fenômeno do microquimerismo. E pode ser visto em todas mulheres, até virgens. Veja esse estudo de microquimerismo detectado em meninas dinamarquesas de 10 a 15 anos. Vc é só um fraco usando pseudociencia p/apontar o dedo p/outros https://t.co/XtECO6dLqw

Nov 14, 2021 · 34 followers View post →
CD TundraVision
@TundraVision · X

@JaysonJacobson5 @mir_and_a How about this? https://t.co/4nmlufGMg4

Jul 25, 2021 · 5 likes · 3,568 followers View post →
Anonyme,Apophasis
@Conservateur___ · X

女性天皇説や女系天皇説を考える時に男性だけに引き継がれ続けると言われるY染色体の存続を事を考えるのだけど、 Microchimerism of male origin in a cohort of Danish girls https://t.co/FlLmtAVZ9w Do Women Retain DNA From Every Man They Have Ever Slept With? https://t.co/l1DvZ6J42H

Nov 2, 2019 · 305 followers View post →
Sebastian
@seba1337 · X

@BigWhale @tinncu https://t.co/1L60URZCrA more studies needed. :>

Aug 28, 2019 · 3,260 followers View post →
あきらこさくらい
@AkrSakr · X

RT @n0rr: @AkrSakr 10-15歳の女の子調べた論文だと "Furthermore, the oldest girls were more likely to test positive for male microchimerism. " というものが…

Jun 27, 2019 · 1 share · 6,233 followers View post →
草
@n0rr · X

@AkrSakr 10-15歳の女の子調べた論文だと "Furthermore, the oldest girls were more likely to test positive for male microchimerism. " というものが https://t.co/Yz54MDfoVe

Jun 27, 2019 · 1 like · 1 share · 10,963 followers View post →
Biux
@OceanMan_GT · X

@BateDusher @OvermanTo https://t.co/1ihPbeeCdK

Jun 12, 2019 · 16 followers View post →
The Danish people have developed a unique genetic profile over ...
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com/doi/full/10.1080/19381956.2016. 1218583 https://neonnettle.com/news/4209- women-store-dna-from-every-man- they-ve-ever-made-love-with ...

Jul 30, 2025 View →
Fact Check: It's Claimed that Women Retain DNA from Every Man ...
News

DOI.org (Crossref), https://doi.org/10.1080/19381956.2016.1218583. Yan, Zhen, et al. "Male Microchimerism in Women without Sons ...

Mar 2, 2024 View →
I just found this jem. Someone was talking about how cats can get ...
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com/doi/full/10.1080/19381956.2016. 1218583. tandfonline.com. Microchimerism of male origin in a cohort of Danish. 3 yrs. 5. Fiona Kolontari.

Sep 27, 2022 View →
Male DNA 'living forever' in women after sex is short on evidence | AAP
News

... 10.1080/19381956.2016.1218583 · https://pubmed.ncbi.nlm.nih.gov/16084184/ · https://www.fredhutch.org/en/faculty-lab-directory/nelson-j-lee.html ...

Jun 4, 2021 View →