The men will simply sit on the laps of the women.
You can't have it the other way due to the yeitzer hara, the evil inclination.
And with the degree of pain this position causes the women, it still fulfills the instruction of Genesis 3:16
I will greatly multiply thy pain and thy travail;
And as our Rabbis of Great Wisdom have noted:
Rav Yisrael Yitzhak said: do not read 'travail' but 'travel'.