Explanation of Figures, Section 5: Trends in ART, 1996–2005

Figure 49: Is the use of ART increasing?

Figure 49 is a line graph with three lines, one line represents the number of ART cycles performed, one line represents the number of live-birth deliveries, and one line represents the number of infants born using ART, by year from 1996 to 2005.

• 1996: 64,681 ART cycles, 14,507 live-birth deliveries, 20,840 infants born.
• 1997: 72,397 ART cycles, 17,186 live-birth deliveries, 24,785 infants born.
• 1998: 81,438 ART cycles, 20,126 live-birth deliveries, 28,851 infants born.
• 1999: 87,636 ART cycles, 21,746 live-birth deliveries, 30,629 infants born.
• 2000: 99,629 ART cycles, 25,228 live-birth deliveries, 35,025 infants born.
• 2001: 107,587 ART cycles, 29,344 live-birth deliveries, 40,687 infants born.
• 2002: 115,392 ART cycles, 33,141 live-birth deliveries, 45,751 infants born.
• 2003: 122,872 ART cycles, 35,785 live-birth deliveries, 48,756 infants born.
• 2004: 127,977 ART cycles, 36,760 live-birth deliveries, 49,458 infants born.
• 2005: 134,260 ART cycles, 38,910 live-birth deliveries, 52,041 infants born.
 

Figure 50 is a line graph with four lines representing percentages of transfers that resulted in live births, by type of ART cycle, and by year from 1996 to 2005.

• 1996: Fresh–nondonor 28.0%, Frozen–nondonor 16.7%, Fresh–donor 38.9%,
Frozen–donor 20.8%
• 1997: Fresh–nondonor 29.7%, Frozen–nondonor 18.8%, Fresh–donor 39.8%,
Frozen–donor 22.3%
• 1998: Fresh–nondonor 30.9%, Frozen–nondonor 19.4%, Fresh–donor 40.8%,
Frozen–donor 23.3%
• 1999: Fresh–nondonor 31.3%, Frozen–nondonor 18.6%, Fresh–donor 41.7%,
Frozen–donor 24.0%
• 2000: Fresh–nondonor 31.6%, Frozen–nondonor 20.3%, Fresh–donor 43.5%,
Frozen– donor 23.9%
• 2001: Fresh–nondonor 33.4%, Frozen–nondonor 23.4%, Fresh–donor 47.0%,
Frozen– donor 27.3%
• 2002: Fresh–nondonor 34.8%, Frozen–nondonor 24.8%, Fresh–donor 50.0%,
Frozen– donor 28.8%
• 2003: Fresh–nondonor 34.7%, Frozen–nondonor 27.0%, Fresh–donor 50.8%,
Frozen– donor 30.1%
• 2004: Fresh–nondonor 34.0%, Frozen–nondonor 27.7%, Fresh–donor 50.5%,
Frozen– donor 30.5%
• 2005: Fresh–nondonor 34.3%, Frozen–nondonor 28.0%, Fresh–donor 52.3%,
Frozen–donor 30.9%
 

Figure 51: Have there been improvements in the percentage of transfers that result in singleton live births?

Figure 51 is a line graph with four lines representing percentages of transfers that resulted in singleton live births, by type of ART cycle, and by year from 1996 to 2005.

• 1996: Fresh–nondonor 17.2%, Frozen–nondonor 12.2%, Fresh–donor 22.7%,
Frozen–donor 15.3%
• 1997: Fresh–nondonor 18.2%, Frozen–nondonor 14.0%, Fresh–donor 22.1%,
Frozen–donor 14.7%
• 1998: Fresh–nondonor 19.1%, Frozen–nondonor 14.1%, Fresh–donor 22.9%,
Frozen–donor 16.8%
• 1999: Fresh–nondonor 19.7%, Frozen–nondonor 13.5%, Fresh–donor 24.3%,
Frozen–donor 16.7%
• 2000: Fresh–nondonor 20.5%, Frozen–nondonor 15.1%, Fresh–donor 25.8%,
Frozen– donor 16.9%
• 2001: Fresh–nondonor 21.4%, Frozen–nondonor 17.2%, Fresh–donor 27.4%,
Frozen– donor 19.6%
• 2002: Fresh–nondonor 22.5%, Frozen–nondonor 18.7%, Fresh–donor 28.8%,
Frozen–donor 20.9%
• 2003: Fresh–nondonor 22.8%, Frozen–nondonor 20.2%, Fresh–donor 30.3%,
Frozen–donor 22.3%
• 2004: Fresh–nondonor 23.0%, Frozen–nondonor 21.0%, Fresh–donor 30.3%,
Frozen–donor 22.5%
• 2005: Fresh–nondonor 23.3%, Frozen–nondonor 21.7%, Fresh–donor 30.9%,
Frozen–donor 22.6%
 

Figure 52: Have there been improvements in the percentage of transfers that result in live births for all ART patients or only for those in particular age groups?

Figure 52 is a line graph with five lines representing percentages of transfers that resulted in live births for ART cycles using fresh nondonor eggs or embryos, by woman’s age, and by year from 1996 to 2005.

• 1996: Age <35, 33.6%; Age 35–37, 29.0%; Age 38–40, 21.6%; Age 41–42, 11.5%; Age >42, 5.4%
• 1997: Age <35, 35.9%; Age 35–37, 31.4%; Age 38–40, 22.5%; Age 41–42, 13.3%; Age >42, 6.1%
• 1998: Age <35, 37.4%; Age 35–37, 31.9%; Age 38–40, 23.6%; Age 41–42, 14.1%; Age >42, 6.9%
• 1999: Age <35, 37.8%; Age 35–37, 32.4%; Age 38–40, 24.2%; Age 41–42, 13.6%; Age >42, 7.2%
• 2000: Age <35, 38.4%; Age 35–37, 33.0%; Age 38–40, 24.3%; Age 41–42, 14.3%; Age >42, 6.0%
• 2001: Age <35, 41.1%; Age 35–37, 35.1%; Age 38–40, 25.4%; Age 41–42, 14.5%; Age >42, 6.7%
• 2002: Age <35, 43.0%; Age 35–37, 37.1%; Age 38–40, 26.4%; Age 41–42, 14.7%; Age >42, 6.6%
• 2003: Age <35, 43.2%; Age 35–37, 36.6%; Age 38–40, 26.1%; Age 41–42, 15.1%; Age >42, 5.9%
• 2004: Age <35, 42.7%; Age 35–37, 35.5%; Age 38–40, 25.3%; Age 41–42, 14.8%; Age >42, 6.1%
• 2005: Age <35, 43.4%; Age 35–37, 35.9%; Age 38–40, 25.4%; Age 41–42, 14.9%; Age >42, 5.8%
 

Figure 53: Have there been improvements in the percentage of transfers that result in singleton live births for all ART patients or only for those in particular age groups?
 

Figure 53 is a line graph with five lines representing percentages of transfers using fresh nondonor eggs or embryos that resulted in singleton live births, by woman’s age, and by year from 1996 to 2005.

• 1996: Age <35, 19.3%; Age 35–37, 18.3%; Age 38–40, 15.4%; Age 41–42, 9.5%; Age >42, 4.6%
• 1997: Age <35, 20.3%; Age 35–37, 19.8%; Age 38–40, 16.2%; Age 41–42, 10.7%; Age >42, 5.0%
• 1998: Age <35, 21.5%; Age 35–37, 20.1%; Age 38–40, 16.9%; Age 41–42, 11.4%; Age >42, 5.9%
• 1999: Age <35, 22.3%; Age 35–37, 20.8%; Age 38–40, 17.3%; Age 41–42, 11.6%; Age >42, 6.3%
• 2000: Age <35, 23.6%; Age 35–37, 21.3%; Age 38–40, 17.7%; Age 41–42, 11.8%; Age >42, 5.3%
• 2001: Age <35, 24.8%; Age 35–37, 22.9%; Age 38–40, 18.5%; Age 41–42, 11.9%; Age >42, 5.8%
• 2002: Age <35, 26.3%; Age 35–37, 24.0%; Age 38–40, 19.3%; Age 41–42, 11.9%; Age >42, 6.2%
• 2003: Age <35, 26.6%; Age 35–37, 24.8%; Age 38–40, 19.3%; Age 41–42, 12.4%; Age >42, 5.3%
• 2004: Age <35, 27.3%; Age 35–37, 24.3%; Age 38–40, 19.0%; Age 41–42, 12.3%; Age >42, 5.6%
• 2005: Age <35, 27.9%; Age 35–37, 24.9%; Age 38–40, 19.0%; Age 41–42, 12.7%; Age >42, 5.1%
 

Figure 54: Has the number of embryos transferred in fresh–nondonor cycles changed?

Figure 54 is a bar graph representing the percentages of fresh–nondonor cycles that involved the transfer of one, two, three, or four or more embryos, by year from 1996 to 2005. Note: Totals do not all equal 100% due to rounding.

• 1996: One, 6%; Two, 10%; Three, 23%; Four or more, 62%
• 1997: One, 6%; Two, 11%; Three, 27%; Four or more, 56%
• 1998: One, 5%; Two, 15%; Three, 33%; Four or more, 46%
• 1999: One, 6%; Two, 23%; Three, 34%; Four or more, 36%
• 2000: One, 6%; Two, 26%; Three, 35%; Four or more, 34%
• 2001: One, 6%; Two, 27%; Three, 35%; Four or more, 32%
• 2002: One, 7%; Two, 32%; Three, 34%; Four or more, 28%
• 2003: One, 7%; Two, 36%; Three, 33%; Four or more, 24%
• 2004: One, 8%; Two, 39%; Three, 32%; Four or more, 21%
• 2005: One, 9%; Two, 43%; Three, 30%; Four or more, 18%
 

Figure 55: Has the number of embryos transferred in each ART cycle changed for women younger than 35 who have more embryos available than they choose to transfer?

Figure 55 is a bar graph representing the percentages of fresh–nondonor cycles that involved the transfer of one, two, three, or four or more embryos in women who were younger than 35 and set aside extra embryos for future use, by year from 1996 to 2005. Note: In certain years, cycles involving the transfer of one embryo were not included because of the small number of cycles where one embryo was transferred and extra embryos were set aside for future use. In 2004, the total does not equal 100% due to rounding.

• 1996: Two, 3%; Three, 33%; Four or more, 64%
• 1997: Two, 6%; Three, 43%; Four or more, 50%
• 1998: Two, 16%; Three, 50%; Four or more, 33%
• 1999: One, 1%; Two, 35%; Three, 45%; Four or more, 19%
• 2000: Two, 45%; Three, 40%; Four or more, 15%
• 2001: Two, 48%; Three, 39%; Four or more, 12%
• 2002: One, 1%; Two, 55%; Three, 35%; Four or more, 9%
• 2003: One, 2%; Two, 62%; Three, 29%; Four or more, 7%
• 2004: One, 3%; Two, 68%; Three, 25%; Four or more, 5%
• 2005: One, 4%; Two, 72%; Three, 20%; Four or more, 4%

Figure 56: Have there been improvements in ART success rates, by number of embryos transferred?

Figure 56 is a line graph with four lines representing percentages of transfers using fresh nondonor eggs or embryos that resulted in live births, by number of embryos transferred, and by year from 1996 to 2005.

• 1996: One, 6.2%; Two, 14.4%; Three, 29.3%; Four or more, 31.6%
• 1997: One, 8.1%; Two, 19.6%; Three, 33.6%; Four or more, 32.2%
• 1998: One, 8.0%; Two, 26.1%; Three, 35.8%; Four or more, 31.7%
• 1999: One, 11.5%; Two, 30.9%; Three, 35.4%; Four or more, 31.2%
• 2000: One, 9.8%; Two, 34.8%; Three, 34.9%; Four or more, 29.6%
• 2001: One, 11.3%; Two, 37.2%; Three, 36.7%; Four or more, 30.9%
• 2002: One, 12.8%; Two, 39.5%; Three, 37.7%; Four or more, 31.4%
• 2003: One, 13.2%; Two, 40.2%; Three, 36.9%; Four or more, 30.1%
• 2004: One, 13.7%; Two, 40.0%; Three, 35.4%; Four or more, 28.8%
• 2005: One, 16.7%; Two, 40.9%; Three, 34.3%; Four or more, 27.6%

Figure 57: Have there been improvements in the percentage of transfers that resulted in live births for women younger than 35 who have more embryos available than they choose to transfer?

Figure 57 is a line graph with four lines representing percentages of transfers that resulted in live births among women who were younger than 35 and set aside extra embryos for future use, by number of embryos transferred, and by year from 1996 to 2005. Note: For years 1996 through 2000, cycles involving the transfer of one embryo were not included because of the small number of cycles where one embryo was transferred and extra embryos were set aside for future use.

• 1996: Two, 38.2%; Three, 41.4%; Four or more, 39.5%
• 1997: Two, 41.6%; Three, 44.8%; Four or more, 40.8%
• 1998: Two, 46.4%; Three, 47.0%; Four or more, 42.0%
• 1999: Two, 46.5%; Three, 47.3%; Four or more, 41.4%
• 2000: Two, 49.8%; Three, 44.8%; Four or more, 39.1%
• 2001: One, 30.0%; Two, 51.7%; Three, 46.9%; Four or more, 42.9%
• 2002: One, 47.4%; Two, 51.8%; Three, 49.5%; Four or more, 45.5%
• 2003: One, 39.5%; Two, 53.3%; Three, 49.2%; Four or more, 46.5%
• 2004: One, 45.3%; Two, 52.7%; Three, 49.8%; Four or more, 46.8%
• 2005: One, 43.3%; Two, 52.8%; Three, 47.5%; Four or more, 45.1%

Figure 58: Has the percentage of multiple-infant live births changed?

Figure 58 is a line graph with four lines representing percentages of ART cycles that resulted in multiple-infant live births, by type of ART cycle, and by year from 1996 to 2005.

• 1996: Fresh–nondonor 38.4%, Frozen–nondonor 27.0%, Fresh–donor 41.6%,
Frozen–donor 26.2%
• 1997: Fresh–nondonor 38.8%, Frozen–nondonor 25.5%, Fresh–donor 44.5%,
Frozen–donor 34.2%
• 1998: Fresh–nondonor 38.2%, Frozen–nondonor 27.1%, Fresh–donor 43.9%,
Frozen–donor 27.9%
• 1999: Fresh–nondonor 37.0%, Frozen–nondonor 27.1%, Fresh–donor 41.8%,
Frozen–donor 30.4%
• 2000: Fresh–nondonor 35.3%, Frozen–nondonor 25.8%, Fresh–donor 40.6%,
Frozen–donor 29.1%
• 2001: Fresh–nondonor 35.8%, Frozen–nondonor 26.8%, Fresh–donor 41.7%,
Frozen–donor 28.4%
• 2002: Fresh–nondonor 35.4%, Frozen–nondonor 24.6%, Fresh–donor 42.4%,
Frozen–donor 27.3%
• 2003: Fresh–nondonor 34.2%, Frozen–nondonor 25.3%, Fresh–donor 40.3%,
Frozen–donor 26.0%
• 2004: Fresh–nondonor 32.5%, Frozen–nondonor 24.2%, Fresh–donor 40.0%,
Frozen–donor 26.2%
• 2005: Fresh–nondonor 32.0%, Frozen–nondonor 22.7%, Fresh–donor 40.8%,
Frozen–donor 27.1%

Figure 59: Have multiple-infant live births for cycles using fresh nondonor eggs or embryos changed for all ART patients or only for those in particular age groups?

Figure 59 is a line graph with four lines representing percentages of multiple-infant live births for fresh–nondonor cycles, by ART patient’s age, and by year from 1996 to 2005.

• 1996: Age <35, 42.6%; Age 35–37, 37.0%; Age 38–40, 28.6%; Age 41–42, 18.0%; Age >42, 14.3%
• 1997: Age <35, 43.6%; Age 35–37, 37.0%; Age 38–40, 28.3%; Age 41–42, 19.3%; Age >42, 18.0%
• 1998: Age <35, 42.4%; Age 35–37, 37.0%; Age 38–40, 28.4%; Age 41–42, 19.7%; Age >42, 15.0%
• 1999: Age <35, 41.1%; Age 35–37, 35.8%; Age 38–40, 28.5%; Age 41–42, 14.5%; Age >42, 12.2%
• 2000: Age <35, 38.6%; Age 35–37, 35.3%; Age 38–40, 27.2%; Age 41–42, 17.6%; Age >42, 12.2%
• 2001: Age <35, 39.7%; Age 35–37, 34.7%; Age 38–40, 27.2%; Age 41–42, 17.9%; Age >42, 14.4%
• 2002: Age <35, 38.9%; Age 35–37, 35.4%; Age 38–40, 26.9%; Age 41–42, 18.6%; Age >42, 6.5%
• 2003: Age <35, 38.4%; Age 35–37, 32.1%; Age 38–40, 26.1%; Age 41–42, 17.4%; Age >42, 10.2%
• 2004: Age <35, 36.1%; Age 35–37, 31.5%; Age 38–40, 24.9%; Age 41–42, 16.8%; Age >42, 8.2%
• 2005: Age <35, 35.6%; Age 35–37, 30.9%; Age 38–40, 25.1%; Age 41–42, 14.5%; Age >42, 12.8%

Figure 60: Have the percentages of singletons, twins, and triplets or more changed for ART cycles using fresh nondonor eggs or embryos?

Figure 60 is a bar graph representing percentages of transfers that resulted in live births and percentages of multiple-infant live births for ART cycles using fresh nondonor eggs or embryos, by year from 1996 to 2005. Note: The total in 2002 does not equal 100% due to rounding.

• 1996: Percentage of live births, 28.0%. Of these live births, 62% were singletons, 31% were twins, and 7% were triplets or more.
• 1997: Percentage of live births, 29.7%. Of these live births, 61% were singletons, 32% were twins, and 7% were triplets or more.
• 1998: Percentage of live births, 30.9%. Of these live births, 62% were singletons, 32% were twins, and 6% were triplets or more.
• 1999: Percentage of live births, 31.3%. Of these live births, 63% were singletons, 32% were twins, and 5% were triplets or more.
• 2000: Percentage of live births, 31.6%. Of these live births, 65% were singletons, 31% were twins, and 4% were triplets or more.
• 2001: Percentage of live births, 33.4%. Of these live births, 64% were singletons, 32% were twins, and 4% were triplets or more.
• 2002: Percentage of live births, 34.8%. Of these live births, 65% were singletons, 32% were twins, and 4% were triplets or more.
• 2003: Percentage of live births, 34.7%. Of these live births, 66% were singletons, 31% were twins, and 3% were triplets or more.
• 2004: Percentage of live births, 34.1%. Of these live births, 67% were singletons, 30% were twins, and 3% were triplets or more.
• 2005: Percentage of live births, 34.3%. Of these live births, 68% were singletons, 30% were twins, and 2% were triplets or more.
 

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