<SEC-DOCUMENT>0001047469-18-007084-index.html : 20181106
<SEC-HEADER>0001047469-18-007084.hdr.sgml : 20181106
<ACCEPTANCE-DATETIME>20181106170226
ACCESSION NUMBER:		0001047469-18-007084
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		23
FILED AS OF DATE:		20181106
DATE AS OF CHANGE:		20181106

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OvaScience, Inc.
		CENTRAL INDEX KEY:			0001544227
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				451472564
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228209
		FILM NUMBER:		181163834

	BUSINESS ADDRESS:	
		STREET 1:		9 FOURTH AVE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-500-2802

	MAIL ADDRESS:	
		STREET 1:		9 FOURTH AVE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
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<TYPE>S-3
<SEQUENCE>1
<FILENAME>a2237017zs-3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: a2237017zs-3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.6 <SEQUENCE>2 <FILENAME>a2237017zex-4_6.htm <DESCRIPTION>EX-4.6 <TEXT> Document 2 - file: a2237017zex-4_6.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.7 <SEQUENCE>3 <FILENAME>a2237017zex-4_7.htm <DESCRIPTION>EX-4.7 <TEXT> Document 3 - file: a2237017zex-4_7.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.8 <SEQUENCE>4 <FILENAME>a2237017zex-4_8.htm <DESCRIPTION>EX-4.8 <TEXT> Document 4 - file: a2237017zex-4_8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.9 <SEQUENCE>5 <FILENAME>a2237017zex-4_9.htm <DESCRIPTION>EX-4.9 <TEXT> Document 5 - file: a2237017zex-4_9.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>6 <FILENAME>a2237017zex-5_1.htm <DESCRIPTION>EX-5.1 <TEXT> Document 6 - file: a2237017zex-5_1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.1 <SEQUENCE>7 <FILENAME>a2237017zex-10_1.htm <DESCRIPTION>EX-10.1 <TEXT> Document 7 - file: a2237017zex-10_1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.2 <SEQUENCE>8 <FILENAME>a2237017zex-10_2.htm <DESCRIPTION>EX-10.2 <TEXT> Document 8 - file: a2237017zex-10_2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.3 <SEQUENCE>9 <FILENAME>a2237017zex-10_3.htm <DESCRIPTION>EX-10.3 <TEXT> Document 9 - file: a2237017zex-10_3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.4 <SEQUENCE>10 <FILENAME>a2237017zex-10_4.htm <DESCRIPTION>EX-10.4 <TEXT> Document 10 - file: a2237017zex-10_4.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-10.5 <SEQUENCE>11 <FILENAME>a2237017zex-10_5.htm <DESCRIPTION>EX-10.5 <TEXT> Document 11 - file: a2237017zex-10_5.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>12 <FILENAME>a2237017zex-23_1.htm <DESCRIPTION>EX-23.1 <TEXT> Document 12 - file: a2237017zex-23_1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.2 <SEQUENCE>13 <FILENAME>a2237017zex-23_2.htm <DESCRIPTION>EX-23.2 <TEXT> Document 13 - file: a2237017zex-23_2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.3 <SEQUENCE>14 <FILENAME>a2237017zex-23_3.htm <DESCRIPTION>EX-23.3 <TEXT> Document 14 - file: a2237017zex-23_3.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g352623.jpg <DESCRIPTION>G352623.JPG <TEXT> Document 15 - file: g352623.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g425336.jpg <DESCRIPTION>G425336.JPG <TEXT> Document 16 - file: g425336.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g924698.jpg <DESCRIPTION>G924698.JPG <TEXT> Document 17 - file: g924698.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g80173.jpg <DESCRIPTION>G80173.JPG <TEXT> Document 18 - file: g80173.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g744458.jpg <DESCRIPTION>G744458.JPG <TEXT> Document 19 - file: g744458.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g382043lai001.gif <DESCRIPTION>G382043LAI001.GIF <TEXT> Document 20 - file: g382043lai001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g382043lai002.gif <DESCRIPTION>G382043LAI002.GIF <TEXT> Document 21 - file: g382043lai002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g382043lai003.jpg <DESCRIPTION>G382043LAI003.JPG <TEXT> Document 22 - file: g382043lai003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g382043lai004.jpg <DESCRIPTION>G382043LAI004.JPG <TEXT> Document 23 - file: g382043lai004.jpg
</DOCUMENT> </SEC-DOCUMENT>