The phrase "and the same stage" is correct and usable in written English.
It can be used when referring to a situation or condition that is identical or equivalent to another previously mentioned stage or phase.
Example: "We are currently at the same stage in our project as we were last month, and the same stage will require additional resources to move forward."
Alternatives: "at the same level" or "in the same phase".
Laurence Olivier on The Entertainer "Osborne has had the big and brilliant notion of putting the whole of contemporary England on to one and the same stage.
The play itself was less warmly received: "Mr Osborne has had the big and brilliant idea of putting the whole of contemporary England on one and the same stage," wrote Kenneth Tynan, "he has bitten off, in this broad new subject, rather more than he can maul".
The 30-year-old, who won 11 singles titles, reached the third round of Wimbledon in 2002 and the same stage of the Australian Open, in 2005 and 2010.
Bukhari is on a hat-trick, and at the same stage, Netherlands were 35-1.
And at the same stage of the Scottish Cup last term, Celtic hammered Hearts 7-0 in Edinburgh.
Make the most of it, because one of the most underrated aspects of college is living in a self-contained universe in which everyone is essentially the same age and at the same stage of life.
A high correlation (r = 0.84) between responses by students in similar courses and at the same stage of their academic career, also suggests that the test is reliable.
They feared him in a debate with Obama, and fear him and Hillary on the same stage.
These works assume a sparse error and estimate both signal and error at the same stage using a modified ℓ 1 minimization problem.
For comparison, eventual Best Picture Oscar winners Slumdog Millionaire and The King's Speech had reached £5.96m and £10.76m at the same stage of their respective runs.
Oocytes, fertilized eggs, 2-cell embryos, morulae and blastocysts were isolated from the timed pregnant mice, and embryos of the same stage were pooled together into one sample.
