University of Oxford’s Glossary of Family Leave Terms and Abbreviations

AML / Additional Maternity Leave - the last 26 weeks of maternity leave
EWC / Expected Week of Childbirth - the week (starting on the Sunday) in which a baby is due
KIT days / Keeping in Touch days (during maternity/adoption leave), click here for further details
MATB1 form / A GP or midwife issues this form after the 21st week of pregnancy
MA / Maternity Allowance - allowance that may be payable if an individual does not qualify for Statutory Maternity Pay.
Mother / Refers to birth mothers
OML / Ordinary Maternity Leave - the first 26 weeks of maternity leave
OPL / Ordinary Paternity Leave – leave that is available to the father, or partner of the mother (including same-sex couples) for either one or two consecutive full weeks. It cannot be taken in odd days nor can it be taken as two separate weeks at different times. The leave has to be taken within 56 days of the date on which the child is born/placed for adoption.
Parent(s) / Refers to one of two, or both people who will share the main responsibility for the child’s upbringing and who may be either the mother, the father, or the mother’s partner if not the father, or adoptive parents. This is inclusive of same sex couples.
Partner / Refers to the mother’s/primary adopter’s partner, eg spouse, civil or long-term partner (including same-sex couples), but who is not a relative, ie sibling, child, parent etc
Paternity leave / See OPL above
Primary adopter / Refers to the designated primary parent in an adopting couple
SAP / Statutory Adoption Pay - provided by the state, paid by the employer and administered through HM Revenues and Customs (HMRC).
Click here for further details.
ShPP / Shared Parental Pay.Click here for more details
SMP / Statutory Maternity Pay - provided by the state, paid by the employer and administered through HM Revenues and Customs (HMRC).
Click here for further details.
SPL / Shared Parental Leave. Click here for more details.
SPLIT days / Shared Parental Leave keeping in touch days. Click here for more details.
SPP or OSPP / Statutory Paternity Pay - provided by the state, paid by the employer and administered through HM Revenues and Customs (HMRC).
Click here for further details.
Qualifying week / For maternity pay purposes, this week is the 15th week before EWC, ie when a woman is approximately 25 weeks' pregnant.