Dr Lia Betti

@liabetti.bsky.social

849 Followers 371 Following

Lecturer in Quantitative Anthropology at UCL. Research interests in human diversity, health inequalities, bioarchaeology, and the evolution of the pelvis and childbirth.

The pelvis girdle in a female bushbaby, showing a wide open gap at the pubis.
A diagram showing cephalopelvic fit in American monkeys, lemurs and lorises, showing some species with impossible fits.
A redrawing of Schultz's original diagram using our new measures of cephalopelvic fit, with the baby in vault-first and face-first presentation
Two drawings showing neonatal engagement in a sinciput positions (vault first) or face position
A diagram showing Schultz's original measure of the antero-posterior diameter of the birth canal in blue, and a more realistic obstetric diameter in orange
An open oval representing the maternal birth canal containing a filled oval representing the fetal head, visualising cephalopelvic fit in humans and other apes
Image of book Lessons in Chemistry by Bonnie Garmus