ArticleBiology letters2015
Baby on board: olfactory cues indicate pregnancy and fetal sex in a non-human primate.
Article in Biology letters, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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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.
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.
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Who cites it
8 citing papers in PubMed, 27 citations in OpenAlex.
- The Scent Enriched Primate.Animals : an open access journal from MDPI · 2023Review
- Design, delivery and perception of condition-dependent chemical signals in strepsirrhine primates: implications for human olfactory communication.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- What smells? Developing in-field methods to characterize the chemical composition of wild mammalian scent cues.Ecology and evolution · 2020Article
- Genetic variation at MHC class II loci influences both olfactory signals and scent discrimination in ring-tailed lemurs.BMC evolutionary biology · 2019Article
- Pregnancy is detected via odour in a wild cooperative breeder.Biology letters · 2017Article
- Sampling the Body Odor of Primates: Cotton Swabs Sample Semivolatiles Rather Than Volatiles.Chemical senses · 2016Article
- A hormone-related female anti-aphrodisiac signals temporary infertility and causes sexual abstinence to synchronize parental care.Nature communications · 2016Article
- Multimodal Advertisement of Pregnancy in Free-Ranging Female Japanese Macaques (Macaca fuscata).PloS one · 2015Article
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Olfactory cues play an integral, albeit underappreciated, role in mediating vertebrate social and reproductive behaviour. These cues fluctuate with the signaller's hormonal condition, coincident with and informative about relevant aspects of its reproductive state, such as pubertal onset, change in season and, in females, timing of ovulation. Although pregnancy dramatically alters a female's endocrine profiles, which can be further influenced by fetal sex, the relationship between gestation and olfactory cues is poorly understood. We therefore examined the effects of pregnancy and fetal sex on volatile genital secretions in the ring-tailed lemur (Lemur catta), a strepsirrhine primate possessing complex olfactory mechanisms of reproductive signalling. While pregnant, dams altered and dampened their expression of volatile chemicals, with compound richness being particularly reduced in dams bearing sons. These changes were comparable in magnitude with other, published chemical differences among lemurs that are salient to conspecifics. Such olfactory 'signatures' of pregnancy may help guide social interactions, potentially promoting mother-infant recognition, reducing intragroup conflict or counteracting behavioural mechanisms of paternity confusion; cues that also advertise fetal sex may additionally facilitate differential sex allocation.
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Registered trials
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.