怀孕计算器

今天是：2026-9-15 末次月经：2026-9-15 预产期：2027-6-22 您已怀孕：0天(第0周) 距离预产期：280天 产检建卡日：2026-12-8

孕期	周	二	三	四	五	六	日	一	每周体检	胎儿发育
怀孕 1个月	1	9-15	9-16	9-17	9-18	9-19	9-20	9-21	1~6周：确定妊娠
	2	9-22	9-23	9-24	9-25	9-26	9-27	9-28
	3	9-29	9-30	10-1	10-2	10-3	10-4	10-5
	4	10-6	10-7	10-8	10-9	10-10	10-11	10-12
怀孕 2个月	5	10-13	10-14	10-15	10-16	10-17	10-18	10-19	6~7周：黑白B超监测,看胚胎数
	6	10-20	10-21	10-22	10-23	10-24	10-25	10-26
	7	10-27	10-28	10-29	10-30	10-31	11-1	11-2
	8	11-3	11-4	11-5	11-6	11-7	11-8	11-9
怀孕 3个月	9	11-10	11-11	11-12	11-13	11-14	11-15	11-16	9周：听胎心,卵黄囊 10~12周：绒毛膜采样
	10	11-17	11-18	11-19	11-20	11-21	11-22	11-23
	11	11-24	11-25	11-26	11-27	11-28	11-29	11-30
	12	12-1	12-2	12-3	12-4	12-5	12-6	12-7
怀孕 4个月	13	12-8	12-9	12-10	12-11	12-12	12-13	12-14	13周：第一次产检。量体重和血压,胎心,验尿,抽血,子宫大小,颈后透明带
	14	12-15	12-16	12-17	12-18	12-19	12-20	12-21
	15	12-22	12-23	12-24	12-25	12-26	12-27	12-28
	16	12-29	12-30	12-31	1-1	1-2	1-3	1-4
怀孕 5个月	17	1-5	1-6	1-7	1-8	1-9	1-10	1-11	17周：唐氏症筛检,羊膜穿刺
	18	1-12	1-13	1-14	1-15	1-16	1-17	1-18
	19	1-19	1-20	1-21	1-22	1-23	1-24	1-25
	20	1-26	1-27	1-28	1-29	1-30	1-31	2-1
怀孕 6个月	21	2-2	2-3	2-4	2-5	2-6	2-7	2-8	21周：彩超,首次胎动
	22	2-9	2-10	2-11	2-12	2-13	2-14	2-15
	23	2-16	2-17	2-18	2-19	2-20	2-21	2-22
	24	2-23	2-24	2-25	2-26	2-27	2-28	3-1
怀孕 7个月	25	3-2	3-3	3-4	3-5	3-6	3-7	3-8	25周：妊娠糖尿病筛检
	26	3-9	3-10	3-11	3-12	3-13	3-14	3-15
	27	3-16	3-17	3-18	3-19	3-20	3-21	3-22
	28	3-23	3-24	3-25	3-26	3-27	3-28	3-29
怀孕 8个月	29	3-30	3-31	4-1	4-2	4-3	4-4	4-5	29周：乙型肝炎抗原,梅毒血清试验,德国麻疹
	30	4-6	4-7	4-8	4-9	4-10	4-11	4-12
	31	4-13	4-14	4-15	4-16	4-17	4-18	4-19
	32	4-20	4-21	4-22	4-23	4-24	4-25	4-26
怀孕 9个月	33	4-27	4-28	4-29	4-30	5-1	5-2	5-3	33周：下肢水肿,子痫前症的发生,预防早产 35周：黑白B超,评估胎儿体重
	34	5-4	5-5	5-6	5-7	5-8	5-9	5-10
	35	5-11	5-12	5-13	5-14	5-15	5-16	5-17
	36	5-18	5-19	5-20	5-21	5-22	5-23	5-24
怀孕 10个月	37	5-25	5-26	5-27	5-28	5-29	5-30	5-31	37周：常规体检,为生产事宜做准备。 38周：常规体检,注意胎动 39周：常规体检,胎头入盆,准备生产 40周：常规体检
	38	6-1	6-2	6-3	6-4	6-5	6-6	6-7
	39	6-8	6-9	6-10	6-11	6-12	6-13	6-14
	40	6-15	6-16	6-17	6-18	6-19	6-20	6-21
怀孕 11个月	41	6-22	6-23	6-24	6-25	6-26	6-27	6-28	41周：预产期 42周：考虑催生
	42	6-29	6-30	7-1	7-2	7-3	7-4	7-5