yea, it isnt a big problem but you will notice the amoun t of growth after you transplant if you veg in a smaller size container and let it get a good lil rootball and then put it in a permanent container. when roots grow they grow str8 down to the bottom first and then spread, so if u take a seed that has a good root system when you throw it in a big pot it'll explode and roots grow all over, it also makes it way easier to water starting out in smaller cups(mo water is mo oxygen fresh nutes n such), they drink alot faster and consume more as well easier to get the roots soaked. people worry about transplant shock, i dont even know if it has ever happened to me, but most people say it only last a day or so and thats only if your using different soil.. i usually transplant right before i put em in 12/12. i have done both way i really like this way because it saves space. at anytime i could have 20-30 small plants in cups inside of my veg cab. but also we have diff grow types so it may suit you to do it that way..