# nesting instinct

> instinct or urge in pregnant animals, caused by the increase of estradiol (E2), to prepare a home for the upcoming newborn(s)

**Wikidata**: [Q6997894](https://www.wikidata.org/wiki/Q6997894)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Nesting_instinct)  
**Source**: https://4ort.xyz/entity/nesting-instinct


## References

1. UMLS 2023