Yes, pregnancy is considered a potential environmental trigger. Many women have more lupus symptoms before their menses and during pregnancy due to high estrogen production. Although there is proof that estrogen somehow regulates the severity of the disease, there is no causal effect between this hormone and lupus.
Can pregnancy trigger lupus?
By Sara Salgado (embryologist).
Last Update: 03/14/2018
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).