Ovulatory shift hypothesis

The ovulatory shift hypothesis is the idea that women experience evolutionarily adaptive changes in subconscious thoughts and behaviors related to mating across the ovulatory cycle.wikipedia
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Evolutionary psychology

evolutionary psychologistevolutionary psychologistsevolutionary
The theory is based on the principles of evolutionary psychology and has been extensively researched by scientists in the fields of psychology, biological anthropology, and evolutionary biology.
Known as the ovulatory shift hypothesis, the theory posits that, during the ovulatory phase of a woman's cycle (approximately days 10–15 of a woman's cycle), a woman who mated with a male with high genetic quality would have been more likely, on average, to produce and bear a healthy offspring than a woman who mated with a male with low genetic quality.

Menstrual cycle

menstrual periodmenstrualmenstruating
The ovulatory shift hypothesis is the idea that women experience evolutionarily adaptive changes in subconscious thoughts and behaviors related to mating across the ovulatory cycle.
* Ovulatory shift hypothesis

Sexual attraction

sex appealsexual attractivenesssexual interest
The ovulatory shift hypothesis proposes that women at high fertility should be most attracted to short-term sexual partners with physical and behavioral features that likely signal genetic fitness, or good genes.
In evolutionary terms, the ovulatory shift hypothesis posits that female humans exhibit different sexual behaviours and desires at points in their menstrual cycle, as a means to ensure that they attract a high quality mate to copulate with during their most fertile time.

Body odour and sexual attraction

Body odor and subconscious human sexual attractionfinding the smell sexy and the two partners having ''different'' compatibility genesnatural body smell
Women in the fertile phase are often rated as being more physically attractive, smelling more attractive, and having higher-pitched voices.

Extended female sexuality

extended sexualityContinuous female sexual receptivity
It has been hypothesized that this could be due to the adaptive benefits of concealed ovulation and extended sexuality.

Sexy son hypothesis

good genesgood genes hypothesisgood genes theory
Thus, the ovulatory shift hypothesis proposes that women possess a dual sexuality, where during the fertile window, a woman should prioritize attracting and choosing a mate with the best genetic quality, or “good genes”, since this is the only time she can become pregnant and pass on heritable genetic qualities to her offspring.
In particular, research on the ovulatory shift hypothesis has shown that during the most fertile times of their menstrual cycles, human females are more attracted to more masculine and physically attractive men, and to men whose physical features are indicative of a higher exposure to testosterone during key developmental periods.

Evolution

evolvedtheory of evolutionevolutionary
The ovulatory shift hypothesis is the idea that women experience evolutionarily adaptive changes in subconscious thoughts and behaviors related to mating across the ovulatory cycle.

Mating

matematescopulation
The ovulatory shift hypothesis is the idea that women experience evolutionarily adaptive changes in subconscious thoughts and behaviors related to mating across the ovulatory cycle.

Hormone

hormoneshormonalprohormone
It proposes that hormonal changes across the cycle cause women, when they are most likely to get pregnant, to be more attracted to traits in potential short-term male sexual partners that indicate high genetic quality, leading to greater reproductive success.

Pregnancy

pregnantfirst trimesterpregnant women
It proposes that hormonal changes across the cycle cause women, when they are most likely to get pregnant, to be more attracted to traits in potential short-term male sexual partners that indicate high genetic quality, leading to greater reproductive success.

Sexual partner

loversex partnerlovers
It proposes that hormonal changes across the cycle cause women, when they are most likely to get pregnant, to be more attracted to traits in potential short-term male sexual partners that indicate high genetic quality, leading to greater reproductive success.

Gene

genesnumber of genesgene sequence
It proposes that hormonal changes across the cycle cause women, when they are most likely to get pregnant, to be more attracted to traits in potential short-term male sexual partners that indicate high genetic quality, leading to greater reproductive success.

Reproductive success

passing ofreproductive assurancereproductive outcomes
It proposes that hormonal changes across the cycle cause women, when they are most likely to get pregnant, to be more attracted to traits in potential short-term male sexual partners that indicate high genetic quality, leading to greater reproductive success.

Fluctuating asymmetry

symmetry
Some of these proposed traits are physical features like symmetry and masculinity, while others are personality traits like dominance and creativity, and others are genetic traits like compatible major histocompatibility complex gene profiles.

Masculinity

masculinemasculinitiesmanliness
Some of these proposed traits are physical features like symmetry and masculinity, while others are personality traits like dominance and creativity, and others are genetic traits like compatible major histocompatibility complex gene profiles.

Dominance and submission

dominantsubmissivedominance
Some of these proposed traits are physical features like symmetry and masculinity, while others are personality traits like dominance and creativity, and others are genetic traits like compatible major histocompatibility complex gene profiles.

Creativity

creativecreative processcreative thinking
Some of these proposed traits are physical features like symmetry and masculinity, while others are personality traits like dominance and creativity, and others are genetic traits like compatible major histocompatibility complex gene profiles.

Major histocompatibility complex

MHCmajor histocompatibility complex (MHC)HLA loci
Some of these proposed traits are physical features like symmetry and masculinity, while others are personality traits like dominance and creativity, and others are genetic traits like compatible major histocompatibility complex gene profiles.

Fertility

fertilemale fertilityfemale fertility
The theory also proposes that women's behavior may change during the most fertile time in their ovulatory cycle.

Sexual desire

desiresexual urgessexual motivation
At high fertility, women may experience increased sexual desire, consume fewer calories, become more physically active, avoid risky situations, avoid male relatives, dress more provocatively, become more competitive with other women, flirt with men more frequently, and experience decreased satisfaction with their current romantic partner.

Psychology

psychologicalpsychologistpsychologists
The theory is based on the principles of evolutionary psychology and has been extensively researched by scientists in the fields of psychology, biological anthropology, and evolutionary biology.

Biological anthropology

physical anthropologyphysical anthropologistbiological anthropologist
The theory is based on the principles of evolutionary psychology and has been extensively researched by scientists in the fields of psychology, biological anthropology, and evolutionary biology.

Evolutionary biology

evolutionary biologistevolutionary biologistsevolutionary
The theory is based on the principles of evolutionary psychology and has been extensively researched by scientists in the fields of psychology, biological anthropology, and evolutionary biology.

Physical attractiveness

physiquephysically attractiveattractive
Women in the fertile phase are often rated as being more physically attractive, smelling more attractive, and having higher-pitched voices.

Vocal register

registervocal registrationvocal registers
Women in the fertile phase are often rated as being more physically attractive, smelling more attractive, and having higher-pitched voices.