Complex sentence: During this time, he was involved with the Royal College of General Practitioners (MRCGP) and joined the Royal College of Obstetricians and Gynaecologists, obtaining a Diploma in Anaesthetics (DA) and a Diploma in Obstetrics (DRCOG).
Split into simpler sentences: During this time, he was involved with the Royal College of General Practitioners (MRCGP). He joined the Royal College of Obstetricians and Gynaecologists, obtaining a Diploma in Anaesthetics (DA) and a Diploma in Obstetrics (DRCOG).