These provide information and can help a mother recognize her newborn through scent. 

University of California, Davis

1. Releaser
2. Primer
3. Signaler
4. Modulator

Types of Pheromones

MediLexicon International. (n.d.). Pheromones: Function, in humans, types, and news. Medical News Today. https://www.medicalnewstoday.com/articles/232635#_noHeaderPrefixedContent. 

What are pheromones and do humans have them? 

These are usually linked to sexual attraction and they elicit an immediate response. This response is usually rapid. 

Releaser Pheromones

These can influence menstrual cycles, puberty, and other factors of development or reproduction. These can also alter the hormone levels of the individual who receives the pheromones. These take a longer time for a response. 

Primer Pheromones

Signaler Pheromones

These are usually found in sweat and can alter bodily functions. These can also affect a female's menstrual cycle. 

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