jenn,
ya loh. need to calculate.
think not lunar calender leh.
i went with my friend for talk on how to get preggie and my coll also told me that when you ovalate on the 1st day, its the most fertile and possibility of getting a boy is higher.
suishi,
both of us like gal but to shut ppl mouth, we hope to have boy 1st loh.
feifei,
i agree with you that ifthe eldest is a gal, she will take good care of sibling and family.