FAQs When can I start pregnancy BUMPS classes? You can start Bumps classes from 12 weeks when you have had clearance from the obstetrician/doctor to exercise after your 12 week scan. If you tick YES to any MEDICAL CONDITIONS your obstetrician/doctor will need to sign your medical form for approval. When can I start post natal Bumps classes? You can start postnatal classes from 6 weeks after a vaginal delivery & 8 weeks after a caesarian section. You will also … Continue reading FAQs