Your mom definitely has a special part in your chart and a special fate-like role.
Your saturn in aries in 7th house is at apex of your Grand Yod - called the "Finger or Eye of God" - with inconjuncting your special degree exact sun/northnode/BlackMoonLilith trio in 12th house - prenatal house before birth and inconjuncting your scorpio mars in 2nd house - protection of physical existence - as ruler of your 8th house.
Saturn rules your 4th house - your emotions, your basic trust, your real home and what you need to feel yourself at home and well and accepted.
But 4th house - represented by saturn- is also own mother, mother as first female model role and own important gender support for being a woman and being a mother yourself in your later life. And mother experiences in childhood.
And your chart looks like having experienced and witnessed that your mother had to go through difficult circumstances / had a difficult time around your birth and short before - during her pregnancy with you - being a helpless little fetus in your mother's womb that time - your mother surrounded you as your only true world.
Saturn ruling 4th house is in aries - an amazone and fighting energy - in 7th house - first encounter and footsteps here on earth for you - not looking like a warm hearted welcome for you at point of your birth.
Saturn zero degree exact inconjuncts your scorpio mars in physical body house 2nd house, sesquiquadrates your mercury as ruler of 12th house-prenatal experience - inconjuncts your sun/northnode/BLM in 12th and squares your moon in 4th house as your midheaven ruler.
Mercury ruling 12th house - sitting critically on cusp of your 12th house and on spiritual health and healing axis 6th/12th. Mercury over horizon squares your pluto as main ruler of your 3rd house - below horizon in intercepted sag in 3rd house - also house of breathing - and breathing issues - able to create and to cause deep existential fears and thoughts.
A difficult birth experience you have stored in your subconsciousness (mars rules 8th house- the psyche and subconsiousness) - able to take impact on and in your later life - especially if transit-activated - which then can come up again for a healing and to get aware of it (or to wake up for it) and to get it transformed.
With mars involved - ruling 8th house - 8th= death and near to death experience in own life, existential danger, shock and trauma - it looks like you shared with your mother a dangerous experience around your birth.
What is interesting - your daughter also has a Grand Yod in her chart. With jupiter at apex in a mercury ruled 4th house/mother - jupiter ruling her her health house. Mercury representing her mother in prenatal 12th house -opposing her saturn in health house 6th. Her jupiter at apex of her Grand Yod- squaring her mars in prenatal house 12th- with additionally her sun and mercury in 12th.
Jupiter the planet co-ruling your intercepted sag in 3rd house - your own little worlds of thoughts, creativity and dreams - you had to early learn to develop under the surface in your childhood and didn't show to the outside or to others and didn't talk about..
Probably your mother has a Grand Yod - too ?