A quarter of women are left alone during labour and birth when they are feeling anxious, figures show.
The poll of more than 23,000 women across England found that 25% were left alone at a time that worried them, up from 22% in 2010.
One in five (19%) women also felt their concerns during labour and birth were not taken seriously, the survey, published by the Care Quality Commission (CQC), found.
New detail shows that 13% of these women were left alone and worried during early labour, 9% during later stages, 2% during the birth and 9% were left alone and worried just after the birth.
The survey showed improvements across many areas of ante-natal and post-natal care, but there were still concerns around labour and birth.
Overall, 39% raised concerns about their care during labour and birth, with 19% of those saying their complaints were not taken seriously enough.
Nevertheless, 78% of women said they had confidence in the midwives caring for them - up from 73% in 2010.
And t hree-quarters of women said they were always involved in decision about their care - up on the previous survey.