Just so we're all clear, this is now an internet fight with opposing claims and zero sources.

Because any search with pregnancy risk 35 would result in hits on any medical journals, health website with the actual sources.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2729989/

https://www.nct.org.uk/pregnancy/tests-scans-and-antenatal-c...

Seriously, people are just lazy.