A study into the ups and downs of the female weight-cycle showed happiness-or the lack of it-in a relationship is the biggest factor。

一项针对女性体重波动的研究显示，爱情幸福与否是影响女性体重变化的最重要因素。

The report found early courtship usually brings with it a strict diet regime resulting in the loss of around 5lb。

研究发现，女性在“恋爱初期”通常会控制饮食，这一阶段她们的体重会下降5磅。

After women enter Stage 2, which is the comfort zone, when they feel secure enough to relax little, can put on a few pounds。

而在进入第二阶段即“舒适期”之后，安逸稳定的生活会让她们放松下来，同时体重也会随之增加。

Wedding plans mean another sprint toshed a few pounds before the arrival of a baby reverses that weight loss, followed by a reinvention-which "again sparks" a diet drive。

到了婚礼筹备期，女性的体重又会减少几磅；而生了宝宝之后，她们的体重又会大增，只有等到“在造期”重塑美丽身材了。

The five stages of weight fluctuation, which can vary over around two stone, emerged in a study of 3,000 women by UK weight management firm。

研究显示，女性的体重在这5个阶段会上下波动约28磅。该研究由英国“体重管理”公司开展，共有3000名女性参加。