PAPP-A (Pregnancy associated plasma protein-A) is a protein produced by the placenta. It is needed for the implantation process and to maintain a healthy placenta (afterbirth). PAPP-A is a marker measured as part of the combined pregnancy screening blood test which is offered around 11-14 weeks of pregnancy.
PAPP-A (Pregnancy associated plasma protein-A)
![PAPP-A (Pregnancy associated plasma protein-A) icon](https://www.esht.nhs.uk/wp-content/themes/esht2017/img/file-icon-32.png)