# second trimester of pregnancy

> middle third of a human pregnancy, from the beginning of the 15th through the 28th completed week (99 to 196 days) of gestation

**Wikidata**: [Q25401934](https://www.wikidata.org/wiki/Q25401934)  
**Source**: https://4ort.xyz/entity/second-trimester-of-pregnancy


## References

1. [Source](https://meshb.nlm.nih.gov/record/ui?ui=D011262)
2. UMLS 2023