Of course, your wife will be nervous when she is giving birth. As a husband, you have failed to fulfill your duty. You should accompany her well, tell her some light-hearted and humorous stories, or imagine the future life together, or recall the good days in the past, so that she can give birth safely in a relaxed mood. You should also accompany her well at night. Only with you around can she feel at ease.
It is recommended to change the flowers in the ward frequently recently, so that her mood will improve. You can also go online to customize a small creative gift for her. Such a small surprise will make her relax.