11:57am
Child A's blood count was considered 'normal' for his age.
She said she had considered whether Child A's mother's auto-immune disease could have been a significant factor in the death of Child A.
Said auto-immune disease was a rare condition (affecting about 50 in 100,000 people) which affected the mother, which can cause increased blood clotting.
It is "well recognised" that pregnancy can cause issues, which can cause nutritional problems for babies in the womb, and a C-section can be required "to save the life of the mother and the child".
The court hears it can cause premature birth and blood clotting for the mother.
Nicholas Johnson KC, for the prosecution, asks: "Did the...syndrome pass on to [Child A or Child B]?"
Professor Kinsey: "No, that is not the case."
11:58am
Mr Johnson says there was concern the condition had passed from mother to son, but says Professor Kinsey is sure it did not.
"It didn't," Professor Kinsey replies.
The trial of Lucy Letby, who denies murdering seven babies at the Countess of Chester Hospital neonatal unit and attempting to murder 10 more,…
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