Historical mortality rates of puerperal fever
Monthly mortality rates for birthgiving women 1841–1849
The table below shows monthly incidence rates from 1841–1849, Semmelweis' handwashing policy was implemented from June 1847 to February 1849.

Historical mortality rates of puerperal fever

Section Title: Monthly mortality rates for birthgiving women 1841–1849
Table Section Text: The table below shows monthly incidence rates from 1841–1849, Semmelweis' handwashing policy was implemented from June 1847 to February 1849.

Year	Month	Births	Deaths	Rate (%)	Notes

1841	January 1841	254	37	14.6

February 1841	239	18	7.5

March 1841	277	12	4.3

April 1841	255	4	1.6

May 1841	255	2	0.8

June 1841	200	10	5.0

July 1841	190	16	8.4

August 1841	222	3	1.4

September 1841	213	4	1.9

October 1841	236	26	11.0

November 1841	235	53	22.6

December 1841	na	na	na

1842	January 1842	307	64	20.8

February 1842	311	38	12.2

March 1842	264	27	10.2

April 1842	242	26	10.7

May 1842	310	10	3.2

June 1842	273	18	6.6

July 1842	231	48	20.8

August 1842	216	55	25.5

September 1842	223	41	18.4

October 1842	242	71	29.3

November 1842	209	48	23.0

December 1842	239	75	31.4

1843	Jan 1843	272	52	19.1

Feb 1843	263	42	16.0

Mar 1843	266	33	12.4

Apr 1843	285	34	11.9

May 1843	246	15	6.1

June 1843	196	8	4.1

July 1843	191	1	0.5

August 1843	193	3	1.6

Sep 1843	221	5	2.3

Oct 1843	250	44	17.6

November 1843	252	18	7.1

December 1843	236	19	8.1

1844	Jan 1844	244	37	15.2

Feb 1844	257	29	11.3

Mar 1844	276	47	17.0

Apr 1844	208	36	17.3

Maj 1844	240	14	5.8

Jun 1844	224	6	2.7

Jul 1844	206	9	4.4

Aug	269	17	6.3

Sep	245	3	1.2

Oct	248	8	3.2

Nov	245	27	11.0

Dec	256	27	10.5

1845	Jan	303	23	7.6

Feb	274	13	4.7

Mar	292	13	4.5

Apr	260	11	4.2

May	296	13	4.4

Jun	280	20	7.1

Jul	245	15	6.1

Aug	251	9	3.6

Sep	237	25	10.5

Oct	283	42	14.8

Nov	265	29	10.9

Dec	267	28	10.5

1846	Jan 1846	336	45	13.4

Feb	293	53	18.1

Mar	311	48	15.4

Apr	253	48	19.0

May	305	41	13.4

Jun 1846	266	27	10.2

Jul 1846	252	33	13.1

Aug	216	39	18.1

Sep	271	39	14.4

October 1846	254	38	15.0

Nov	297	32	10.8

Dec 1846	298	16	5.4

1847	Jan 1847	311	10	3.2

Feb	312	6	1.9

Mar 1847	305	11	3.6

Apr 1847	312	57	18.3

May	294	36	12.2	Handwashing policy instituted mid-May

Jun 1847	268	6	2.2

Jul	250	3	1.2

Aug	264	5	1.9

Sep	262	12	4.6

Okt	278	11	4.0

Nov	246	11	4.5

Dec 1847	273	8	2.9

1848	Jan 1848	283	10	3.5	strict controls enforced on students' negligent hand-wash

Feb 1848	291	2	0.7

March 1848	276	0	0.0

April 1848	305	2	0.7

May 1848	313	3	1.0

Jun 1848	264	3	1.1

Jul 1848	269	1	0.4

Aug 1848	261	0	0.0

Sep 1848	312	3	1.0

Oct 1848	299	7	2.3

Nov 1848	310	9	2.9

Dec 1848	373	5	1.3

Jan 1849	403	9	2.2

Feb 1849	389	12	3.1

Mar 1849	406	20	4.9	Semmelweis' employment terminated

Sentence(s)

In April, there were 57 deaths (18.3 percent) from 312 deliveries.

final_sentence: In April, there were 57 deaths (18.3 percent) from 312 deliveries.