怀孕时,乳房是从下半部往外扩张的,增大情形与一般胸罩比例不同,因此,不宜穿加大尺码的一般胸罩,而应该选择专为孕妇设计的胸罩,并随着乳房的变化随时更换。从怀孕到生产,乳房约增加到两个罩杯大,准妈妈应该在此基础上选择较为宽松的胸罩,以使乳房没有压迫感为宜,避免影响乳腺的增生和发育。而且,过紧的胸罩还会因与乳头磨擦而使纤维织物进入乳管,造成产后无奶或少奶。怀孕期间乳房的重量增加,下围加大,最好穿有软 Pregnancy, the breast is from the second half of the outward expansion, the increase in the proportion of different general bra, therefore, should not wear a large size of the general bra, but should choose designed for pregnant women bra, and as the breast changes at any time replace. From pregnancy to production, the breast increased to about two cups, expectant mothers should choose a more relaxed bra on the basis so that the breast is not oppression is appropriate to avoid affecting the proliferation and development of the breast. Moreover, the tight bra will also be due to friction with the nipple and fiber fabric into the ducts, resulting in postpartum no milk or less milk. Increased breast weight during pregnancy, increased under the next, it is best to wear a soft