进来报个到。自己算的due date是6月初,还没去看过ob...
顺便问一下大家怎么选医院和ob的?
顺便问一下大家怎么选医院和ob的?
[此贴子已经被作者于2010/10/4 16:47:12编辑过]
哇第5周就要换bra 啦?
我的 mimi和 胸一直很胀,有时候疼的都不敢碰,是不是也要去换了,
mm 你5周几天啊?我现在是5w4d,也不知道会不会有个6,7月的楼
[此贴子已经被作者于2010/10/4 20:52:37编辑过]
没有keyboard真麻烦......
受精卵在前期分裂的进度是一样的,所以基本上以前期的bc确定due date,这个日期基本match排卵日.
随着宝宝的进一步发育,各个宝宝的进度就不一样了,会有差距
到了18-20w的大bc,有些宝宝的due date都可能会提前或推迟1-2周,这时候ob就会改due date了.
我的ob以我最后一次mc计算,虽然我的周期不是28天,但前后误差4天,她都忽略不计的
from conception | from LMP | (mIU/ML or IU/L) |
---|---|---|
7 days | 3 weeks | 0 to 5 |
14 days | 28 days | 3 to 426 |
21 days | 35 days | 18 to 7,340 |
28 days | 42 days | 1080 to 56,500 |
35 - 42 days | 49 - 56 days | 7,650 to 229,000 |
43 - 64 days | 57 - 78 days | 25,700 to 288,000 |
57 - 78 days | 79 - 100 days | 13,300 to 253,000 |
17 - 24 weeks | 2nd trimester | 4060 to 65,400 |
25 wks to term | 3rd trimester | 3640 to 117,000 |
After several days postpartum | nonpregnant levels (<5)" |
"Quanitative serum hCG tests detect multiple pregnancy approximately 9 weeks earlier than ultrasound. One small study (Jovanovic, 1977) found hCG levels in 15 singleton and 9 twin pregnancies were as follows:
DAYS FROM LMP | hCG in SINGLTON AVERAGE | GESTATION RANGE | hCG in AVERAGE | TWIN GESTATION RANGE |
---|---|---|---|---|
28 | 64.7 | 9.4 to 120 | 64.7 | 9.5 to 120 |
33 | 450 | 300 - 600 | 1,500 | 200 to 1,800 |
36 | 1,500 | 1,200 - 1,800 | 19,200 | 2,400 to 36,000 |
40 | 3,600 | 2,400 - 4,800 | 58,344 | 8,700 to 108,000 |
45 | 36,000 | 12,000 - 60,000 | 126,000 | 72,000 to 180,000 |
70 | 120,000 | 96,000 - 144,000 | 414,000 | 348,000 to 480,000" |
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