In all the begatting

That 

Went on/goes on/is going on/will go on

Mothers are there

Carrying
Birthing
Suffering
Celebrating
Cooking 
Cleaning
Feeding
Clothing
Nurturing
Correcting
Cheering
Weeping
Worrying
Praying
Hoping
Fearing
Teaching
Training
Holding
Releasing

Doing 

Work
(that is generally)

Unseen
Unsung
Unrecorded
Unpaid

Yet

Vital
(no one lived/lives/will live without it)

Worthy
Work

Unsung
(generally)

Except by

The One

Who 

Sees all
Knows all

The One 

Who 

Made you
Prepared you
Equipped you
Called you
Sees you
And

Rejoices
Over the

Relentless 
Sacrificing
Faithfulness 

Of you 

He does