diff --git a/pina/trainer.py b/pina/trainer.py
index 8e1d951..840f2a6 100644
--- a/pina/trainer.py
+++ b/pina/trainer.py
@@ -31,7 +31,8 @@ class Trainer(lightning.pytorch.Trainer):
         test_size=0.0,
         val_size=0.0,
         compile=None,
-        repeat=None,
+        common_batch_size=True,
+        separate_conditions=False,
         automatic_batching=None,
         num_workers=None,
         pin_memory=None,
@@ -56,10 +57,12 @@ class Trainer(lightning.pytorch.Trainer):
         :param bool compile: If ``True``, the model is compiled before training.
             Default is ``False``. For Windows users, it is always disabled. Not
             supported for python version greater or equal than 3.14.
-        :param bool repeat: Whether to repeat the dataset data in each
-            condition during training. For further details, see the
-            :class:`~pina.data.data_module.PinaDataModule` class. Default is
-            ``False``.
+        :param bool common_batch_size: If ``True``, the same batch size is used
+            for all conditions. If ``False``, each condition can have its own
+            batch size, proportional to the size of the dataset in that
+            condition. Default is ``True``.
+        :param bool separate_conditions: If ``True``, dataloaders for each
+            condition are iterated separately. Default is ``False``.
         :param bool automatic_batching: If ``True``, automatic PyTorch batching
             is performed, otherwise the items are retrieved from the dataset
             all at once. For further details, see the
@@ -82,7 +85,8 @@ class Trainer(lightning.pytorch.Trainer):
             train_size=train_size,
             test_size=test_size,
             val_size=val_size,
-            repeat=repeat,
+            common_batch_size=common_batch_size,
+            seperate_conditions=separate_conditions,
             automatic_batching=automatic_batching,
             compile=compile,
         )
@@ -122,8 +126,6 @@ class Trainer(lightning.pytorch.Trainer):
                 UserWarning,
             )
 
-        repeat = repeat if repeat is not None else False
-
         automatic_batching = (
             automatic_batching if automatic_batching is not None else False
         )
@@ -139,7 +141,8 @@ class Trainer(lightning.pytorch.Trainer):
             test_size=test_size,
             val_size=val_size,
             batch_size=batch_size,
-            repeat=repeat,
+            common_batch_size=common_batch_size,
+            seperate_conditions=separate_conditions,
             automatic_batching=automatic_batching,
             pin_memory=pin_memory,
             num_workers=num_workers,
@@ -177,7 +180,8 @@ class Trainer(lightning.pytorch.Trainer):
         test_size,
         val_size,
         batch_size,
-        repeat,
+        common_batch_size,
+        seperate_conditions,
         automatic_batching,
         pin_memory,
         num_workers,
@@ -196,8 +200,10 @@ class Trainer(lightning.pytorch.Trainer):
         :param float val_size: The percentage of elements to include in the
             validation dataset.
         :param int batch_size: The number of samples per batch to load.
-        :param bool repeat: Whether to repeat the dataset data in each
-            condition during training.
+        :param bool common_batch_size: Whether to use the same batch size for
+            all conditions.
+        :param bool seperate_conditions: Whether to iterate dataloaders for
+            each condition separately.
         :param bool automatic_batching: Whether to perform automatic batching
             with PyTorch.
         :param bool pin_memory: Whether to use pinned memory for faster data
@@ -227,7 +233,8 @@ class Trainer(lightning.pytorch.Trainer):
             test_size=test_size,
             val_size=val_size,
             batch_size=batch_size,
-            repeat=repeat,
+            common_batch_size=common_batch_size,
+            separate_conditions=seperate_conditions,
             automatic_batching=automatic_batching,
             num_workers=num_workers,
             pin_memory=pin_memory,
@@ -279,7 +286,8 @@ class Trainer(lightning.pytorch.Trainer):
         train_size,
         test_size,
         val_size,
-        repeat,
+        common_batch_size,
+        seperate_conditions,
         automatic_batching,
         compile,
     ):
@@ -293,8 +301,10 @@ class Trainer(lightning.pytorch.Trainer):
             test dataset.
         :param float val_size: The percentage of elements to include in the
             validation dataset.
-        :param bool repeat: Whether to repeat the dataset data in each
-            condition during training.
+        :param bool common_batch_size: Whether to use the same batch size for
+            all conditions.
+        :param bool seperate_conditions: Whether to iterate dataloaders for
+            each condition separately.
         :param bool automatic_batching: Whether to perform automatic batching
             with PyTorch.
         :param bool compile: If ``True``, the model is compiled before training.
@@ -304,8 +314,8 @@ class Trainer(lightning.pytorch.Trainer):
         check_consistency(train_size, float)
         check_consistency(test_size, float)
         check_consistency(val_size, float)
-        if repeat is not None:
-            check_consistency(repeat, bool)
+        check_consistency(common_batch_size, bool)
+        check_consistency(seperate_conditions, bool)
         if automatic_batching is not None:
             check_consistency(automatic_batching, bool)
         if compile is not None: