The pressure point between the anus and vagina is effective to prevent frequent urination.
An acupressure point between the vagina and anus can be helpful for bladder issues.
「ツボ」は
Pressure point
Acupressure point
どちらの例でも「間に」が使われます
「between」 the vagina and anus
The pressure point between the 〇〇 and 〇〇 is effective [for] 〇〇. このように定型文として応用することができます。
例えば「肩凝りのツボは、親指と人差し指の間にあります。」なら
The pressure point between the thumb and the index finger is effective for stiff shoulders.
The pressure point between the anus and vagina is effective to prevent frequent urination.
肛門と膣の間のツボは、頻尿を防ぐ為に効果的だ
An acupressure point between the vagina and anus can be helpful for bladder issues.
肛門と膣の間のツボは、頻尿に効く。