HIPG i think is classed as a public fund, but
You may not be able to get Health in Pregnancy Grant if you are subject to
immigration control.
but ..
If you are subject to immigration control
You may still be able to get Health in Pregnancy Grant if:
• you are a sponsored immigrant under the Home Office rules
• you (or your partner) are legally working in the UK and are nationals of Algeria,
Morocco, San Marino, Tunisia or Turkey
• you are a family member of a person who is a UK, Swiss or EEA national.
rules to qualify are here
http://www.hmrc.gov.uk/LEAFLETS/hipg-fs1.pdf