I wonder why you have chosen Ukraine rather than seeking out a UK surrogate mother OP.
I would have very serious concerns about going to Ukraine even without problems related to the coronavirus. I wouldn't trust their healthcare, I wouldn't want to have ovarian stimulation and egg collection there. I also believe, that whilst clinics in the UK are very closely regulated by the HFEA, standards in Ukraine are likely to be much more variable.
"He says other investigations involved allegations of fraud and even a human trafficking inquiry in 2016, after an Italian couple discovered in 2011 that the children they had taken home were not genetically related to them. Kovalchuk was removed from his post last year and believes the investigations into BioTexCom have stalled as a result. He wrote to the ombudsman’s office in May outlining his concerns about the clinic....
Albert Tochilovsky, the owner of BioTexCom, does not deny there were mix-ups with embryos during surrogacy procedures in 2011 that led to the human trafficking investigation.
He blames the error on a lack of experience when the clinic was only a year old, and says: “I don’t think it was only us who used to make mistakes here. If someone starts checking DNA, there will be a lot of scandals.”
I literally wouldn't trust them to use the correct eggs/sperm.
Then there is the whole issue of crime and McMafia moving into the surrogacy business, which is a huge concern.
And finally the healthcare for the surrogate mother - how do you know the surrogate mother will be as healthy as she or the clinic may claim?
"Even though she was placed in an intensive care unit as a result of complications in the pregnancy, Liudmyla decided to have a second surrogate baby to pay back most of the loan for the flat."
The best way to have a healthy baby, I am sure you know, is through the health of the mother. A previous pregnancy that ended up in ICU should definitely disqualify a woman from being a surrogate mother again, both for her own protection and for the baby, and yes, to protect the commissioning parents.
You would want someone with a good obstetric history and no other health issues, and for them to have the best health care, not just out of your obligation to protect the surrogate mother but also to optimise the health of your baby. And if the baby was born with health problems, you would want good health care to be available for the baby.
I wouldn't expect to get any of that in Ukraine.
It would be much wiser and safer to find a surrogate mother in the UK and best of all you could be assured you weren't exploiting an impoverished woman.
www.theguardian.com/world/2020/jun/15/the-stranded-babies-of-kyiv-and-the-women-who-give-birth-for-money