Juan María Rodríguez Arangoity, Mexican obstetrician (Ciudad de Mexico 27 January 1828 – Ciudad de Mexico 24 June 1894)

Pioneer in diagnose pregnancy employing combined palpation and auscultation

Developed techniques for obstetrical exploration  

Introduced a number of innovations in midwifery

Modified the version by outer manoeuvre

Modified the Kiwish procedure for dilation of cervix uteri (1870)

Enunciated rules for hand extraction of fetus 

Enunciated precise rules for oxytocic administration

Pointed out the differencial pelvis of Mexican people 

With José Ignacio Capetillo modified the Ortega procedure of embryotomy