pseudopregnancy

synonyms: false pregnancy, pseudocyesis
https://doi.org/10.1351/goldbook.11150
Development of signs of pregnancy in the absence of an embryo.
Note: This is commonly called pseudocyesis in humans and pseudopregnancy in other mammals.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 798 [Terms] [Paper]